Maintenance takes too long to complete or it fails

Hello team
when performing maintenance it takes too long to complete or it fails
when I check the tomcat logs I encounter the following error. Kindly assist where necessary

* INFO  2020-05-21 12:22:48,830 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:48,945 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,148 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,267 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,371 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,477 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,565 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,663 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,760 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,874 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:49,983 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,087 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,255 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,371 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,463 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,555 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,647 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,779 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:50,919 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,047 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,253 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,388 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,537 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,661 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,765 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,860 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:51,960 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,052 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,151 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,257 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,348 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,452 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,549 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,650 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,751 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,849 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:52,935 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,027 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,116 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,220 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,393 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,513 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,609 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,706 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,799 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,895 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:53,996 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,095 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,217 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,355 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,498 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,627 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:54,846 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,030 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,209 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,350 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,511 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,614 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,709 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,810 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,901 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:55,999 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,098 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,203 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,302 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,412 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,510 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,612 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,708 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,806 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:56,910 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,007 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,093 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,190 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,284 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,393 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,493 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,651 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,748 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,859 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])
  • INFO 2020-05-21 12:22:57,968 Delete was not allowed by DataValueDeletionHandler: Could not delete due to association with another object: DataValue (DefaultDeletionManager.java [http-nio-8080-exec-7])