# \#maintenance **URL:** https://community.dhis2.org/tag/maintenance/135.md [Latest](https://community.dhis2.org/latest.md) · [Categories](https://community.dhis2.org/categories.md) · [Tags](https://community.dhis2.org/tags.md) --- ## [New transition kits: Data Entry app and Metadata Management app](https://community.dhis2.org/t/new-transition-kits-data-entry-app-and-metadata-management-app/78150)
**Author:** [@Shurajit\_Dutta](https://community.dhis2.org/u/Shurajit_Dutta)\ **Replies:** 0\ **Last updated:** [10 November 2026 13:46 UTC](https://community.dhis2.org/t/new-transition-kits-data-entry-app-and-metadata-management-app/78150 "2026-11-10T13:46:39Z")
Hi everyone, We have published two new transition kits in the DHIS2 implementation documentation: Legacy Data Entry app to the new Data Entry app (aggregate data) Data Entry - Legacy to New - DHIS2 Documentation Maintenance app to the Metadata Management app Maintenance to Metadata Management - DHIS2 Docum… --- ## [Webinar : Features Spotlights for October and November 2025 - Mobile Implementation Support & Deduplication of Metadata](https://community.dhis2.org/t/webinar-features-spotlights-for-october-and-november-2025-mobile-implementation-support-deduplication-of-metadata/68285)
**Author:** [@Shurajit\_Dutta](https://community.dhis2.org/u/Shurajit_Dutta)\ **Replies:** 8\ **Last updated:** [17 November 2025 16:20 UTC](https://community.dhis2.org/t/webinar-features-spotlights-for-october-and-november-2025-mobile-implementation-support-deduplication-of-metadata/68285 "2025-11-17T16:20:53Z")
Hi everyone We are pleased to announce 2 more feature spotlights Mobile Implementation Support New maintenance app & deduplication of metadata More information and registration links for these webinars can be found b… --- ## [DHIS2 organization units not loading](https://community.dhis2.org/t/dhis2-organization-units-not-loading/67545)
**Author:** [@Mujtaba\_Hussain](https://community.dhis2.org/u/Mujtaba_Hussain)\ **Replies:** 20\ **Last updated:** [12 September 2025 19:13 UTC](https://community.dhis2.org/t/dhis2-organization-units-not-loading/67545 "2025-09-12T19:13:53Z")
I have upgraded my dhis2 from 2.37 version to 2.40.8 , every thing is working fine also I have upgraded it to version by version. Everything is working fine , but my organization units are not loading, it keeps lading an… --- ## [Tree-structured option set](https://community.dhis2.org/t/tree-structured-option-set/60647)
**Author:** [@kaige9at](https://community.dhis2.org/u/kaige9at)\ **Replies:** 3\ **Last updated:** [9 September 2024 07:28 UTC](https://community.dhis2.org/t/tree-structured-option-set/60647 "2024-09-09T07:28:51Z")
I have an option set whose data is in a tree structure, so different nodes may have the same name (code is unique). I don’t know how to manage this option set. Could you please help me? like this: 214 Tuberculosis 214… --- ## [Query - Org unit creation limit](https://community.dhis2.org/t/query-org-unit-creation-limit/60129)
**Author:** [@Sweety\_Sharma](https://community.dhis2.org/u/Sweety_Sharma)\ **Replies:** 2\ **Last updated:** [23 July 2024 07:46 UTC](https://community.dhis2.org/t/query-org-unit-creation-limit/60129 "2024-07-23T07:46:06Z")
Hi @team, I have around 300 organisation units to be created under facility level organisation unit. Is there any limitation in creating the number of organisation units? Thanks --- ## [Maintainence page is blank post upgrading to v2.40.4.1/v 2.40.3](https://community.dhis2.org/t/maintainence-page-is-blank-post-upgrading-to-v2-40-4-1-v-2-40-3/59955)
**Author:** [@Sweety\_Sharma](https://community.dhis2.org/u/Sweety_Sharma)\ **Replies:** 2\ **Last updated:** [17 July 2024 09:10 UTC](https://community.dhis2.org/t/maintainence-page-is-blank-post-upgrading-to-v2-40-4-1-v-2-40-3/59955 "2024-07-17T09:10:20Z")
Hello community, We upgraded our DHIS2 instance from 2.40.3 to 2.40.4.1. Post upgrade the maintenance page is blank with few organisation endpoints failing like these: /api/40/organisationUnits?fields=id%2CdisplayName%… --- ## [Cannot edit or delete created tracker Program inside the Maintenance app. The Tracker Capture app also gets stuck saying "Loading metadata"](https://community.dhis2.org/t/cannot-edit-or-delete-created-tracker-program-inside-the-maintenance-app-the-tracker-capture-app-also-gets-stuck-saying-loading-metadata/59536)
**Author:** [@therealrajan](https://community.dhis2.org/u/therealrajan)\ **Replies:** 6\ **Last updated:** [18 June 2024 09:40 UTC](https://community.dhis2.org/t/cannot-edit-or-delete-created-tracker-program-inside-the-maintenance-app-the-tracker-capture-app-also-gets-stuck-saying-loading-metadata/59536 "2024-06-18T09:40:59Z")
I am using version 2.40. I cannot edit or delete an existing tracker Program and its associated tracked entity attributes. The page gets stuck and I just see a blank page. And when I go to the Tracker Capture app it gets… --- ## [Announcing Metadata Assignment App Release](https://community.dhis2.org/t/announcing-metadata-assignment-app-release/58820)
**Author:** [@rajab\_mkomwa](https://community.dhis2.org/u/rajab_mkomwa)\ **Replies:** 0\ **Last updated:** [23 May 2024 09:28 UTC](https://community.dhis2.org/t/announcing-metadata-assignment-app-release/58820 "2024-05-23T09:28:20Z")
Metadata Assignment App Release Version 2.0.0 - May 22, 2024 Overview The University of Dar es Salaam (UDSM) DHIS2 Lab is excited to announce the release of the Metadata Assignment App 2.0, a quick and user-friendly DHIS… --- ## [User-Extended app](https://community.dhis2.org/t/user-extended-app/48119)
**Author:** [@ifoche](https://community.dhis2.org/u/ifoche)\ **Replies:** 6\ **Last updated:** [30 August 2023 07:45 UTC](https://community.dhis2.org/t/user-extended-app/48119 "2023-08-30T07:45:28Z")
I’m Ignacio Foche, director at EyeSeeTea. We are a Spanish company working since long time ago generating sustainable generic DHIS2 open source apps. This app we are presenting to the webapp competition is the User-Exten… --- ## [Root Organization Unit](https://community.dhis2.org/t/root-organization-unit/53074)
**Author:** [@HawraaSweidan](https://community.dhis2.org/u/HawraaSweidan)\ **Replies:** 3\ **Last updated:** [22 May 2023 08:07 UTC](https://community.dhis2.org/t/root-organization-unit/53074 "2023-05-22T08:07:48Z")
Greetings, While importing new organization units, I missed to add the Parent UID for 5 organization units. Yet, they are not showing in the hierarchy to change their level, they are appearing as a root organization un… --- ## [ValueType for OptionSet and DataElement](https://community.dhis2.org/t/valuetype-for-optionset-and-dataelement/52550)
**Author:** [@zubair](https://community.dhis2.org/u/zubair)\ **Replies:** 2\ **Last updated:** [13 April 2023 09:47 UTC](https://community.dhis2.org/t/valuetype-for-optionset-and-dataelement/52550 "2023-04-13T09:47:38Z")
is there any case when DataElement and its associated OptionSet can have different ValueType? --- ## [2.36.12 - Some Data Elements not loading in maintenance app](https://community.dhis2.org/t/2-36-12-some-data-elements-not-loading-in-maintenance-app/51419)
**Author:** [@chase.freeman](https://community.dhis2.org/u/chase.freeman)\ **Replies:** 10\ **Last updated:** [8 February 2023 15:06 UTC](https://community.dhis2.org/t/2-36-12-some-data-elements-not-loading-in-maintenance-app/51419 "2023-02-08T15:06:34Z")
It seems to be some sort of front-end issue - The API returns the data element just fine and I can’t find any errors in the DHIS2 logs. The only error is from the JS console: drop-down.js:54 Uncaught TypeError: Cannot r… --- ## [DHIS2 2.39.0.1 - Issue with Opening Datasets for Edits in Maintenance App](https://community.dhis2.org/t/dhis2-2-39-0-1-issue-with-opening-datasets-for-edits-in-maintenance-app/51374)
**Author:** [@ckambobe](https://community.dhis2.org/u/ckambobe)\ **Replies:** 5\ **Last updated:** [17 January 2023 08:19 UTC](https://community.dhis2.org/t/dhis2-2-39-0-1-issue-with-opening-datasets-for-edits-in-maintenance-app/51374 "2023-01-17T08:19:25Z")
Hi CoP, Requesting for assistance with this issue. Upgraded to 2.39.0.1 and facing this issue with the maintenance app when trying to edit datasets in the maintenance app. I am able to open dataset menu, however when I … --- ## [While add any data in maintenance tab facing the Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread error](https://community.dhis2.org/t/while-add-any-data-in-maintenance-tab-facing-the-exception-java-lang-outofmemoryerror-thrown-from-the-uncaughtexceptionhandler-in-thread-error/51046)
**Author:** [@kandarpjoshi](https://community.dhis2.org/u/kandarpjoshi)\ **Replies:** 3\ **Last updated:** [21 December 2022 15:29 UTC](https://community.dhis2.org/t/while-add-any-data-in-maintenance-tab-facing-the-exception-java-lang-outofmemoryerror-thrown-from-the-uncaughtexceptionhandler-in-thread-error/51046 "2022-12-21T15:29:03Z")
while adding any data in the maintenance tab or data entry tab facing this below error in tomcat. Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread “activemq-failure-check-thread” … --- ## [Category Combination not appearing during Data Set creation](https://community.dhis2.org/t/category-combination-not-appearing-during-data-set-creation/48293)
**Author:** [@Christian\_Rechdan](https://community.dhis2.org/u/Christian_Rechdan)\ **Replies:** 1\ **Last updated:** [29 June 2022 12:36 UTC](https://community.dhis2.org/t/category-combination-not-appearing-during-data-set-creation/48293 "2022-06-29T12:36:02Z")
Hello, I have a problem with creating data sets. I have created a category combination of “gender”. And when I create a new data set, nothing other than the “None” option comes up in the combo box when I try to select a… --- ## [Long-term system maintenance](https://community.dhis2.org/t/long-term-system-maintenance/48048)
**Author:** [@Shurajit\_Dutta](https://community.dhis2.org/u/Shurajit_Dutta)\ **Replies:** 1\ **Last updated:** [24 June 2022 08:43 UTC](https://community.dhis2.org/t/long-term-system-maintenance/48048 "2022-06-24T08:43:46Z")
Please add any questions you have about the long-term maintenance session here.