# \[Dhis2-devs\] \[Bug 1226459\] Re: An exception occurred Sorry! The system failed to execute the operation. Usually, no data is lost and you can continue working by going back to the previous page.

**URL:** <https://community.dhis2.org/t/dhis2-devs-bug-1226459-re-an-exception-occurred-sorry-the-system-failed-to-execute-the-operation-usually-no-data-is-lost-and-you-can-continue-working-by-going-back-to-the-previous-page/1688>\
**Category:** Support - Assistance technique\
**Created:** [25 September 2013 08:13 UTC](https://community.dhis2.org/t/dhis2-devs-bug-1226459-re-an-exception-occurred-sorry-the-system-failed-to-execute-the-operation-usually-no-data-is-lost-and-you-can-continue-working-by-going-back-to-the-previous-page/1688 "2013-09-25T08:13:35Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Knut\_Staring](https://dhis2.b-cdn.net/user_avatar/community.dhis2.org/knut_staring/32/32549_2.png) [@Knut\_Staring](https://community.dhis2.org/u/Knut_Staring)\
**Post date:** [25 September 2013 08:13 UTC](https://community.dhis2.org/t/dhis2-devs-bug-1226459-re-an-exception-occurred-sorry-the-system-failed-to-execute-the-operation-usually-no-data-is-lost-and-you-can-continue-working-by-going-back-to-the-previous-page/1688/1 "2013-09-25T08:13:35Z")

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Dear Nwoke,

Please join the mailing list here:

[https://launchpad.net/~dhis2-devs](https://launchpad.net/~dhis2-devs)

Then follow these guidelines in order to report problems with DHIS2:

[http://www.dhis2.org/doc/snapshot/en/implementer/html/ch09s03.html](http://www.dhis2.org/doc/snapshot/en/implementer/html/ch09s03.html)

> **···**
>
> Knut
> 
> On Wed, Sep 25, 2013 at 9:38 AM, nwoke uchenna k [nwoke51@yahoo.com](mailto:nwoke51@yahoo.com) wrote:
> 
> > when trying to run Validation rule analysis for a state to see the
> > 
> > anomalies in data entered for the previous months, the error message’An
> > 
> > exception occurred
> > 
> > Sorry! The system failed to execute the operation. Usually, no data is
> > 
> > lost and you can continue working by going back to the previous page. ’
> > 
> > keeps coming up.
> 
> > \*\* Changed in: dhis2
> > 
> > ```
> > Status: New => Confirmed
> > 
> > ```
> > 
> > \*\* Changed in: dhis2
> > 
> > ```
> > Assignee: (unassigned) => nwoke uchenna k (nwoke51)
> > 
> > ```
> > 
> > –
> > 
> > You received this bug notification because you are a member of DHIS 2
> > 
> > developers, which is subscribed to DHIS.
> > 
> > [https://bugs.launchpad.net/bugs/1226459](https://bugs.launchpad.net/bugs/1226459)
> > 
> > Title:
> > 
> > An exception occurred Sorry! The system failed to execute the
> > 
> > operation. Usually, no data is lost and you can continue working by
> > 
> > going back to the previous page.
> > 
> > Status in DHIS 2:
> 
> > Confirmed
> > 
> > Bug description:
> > 
> > when trying to run Validation rule analysis for a state to see the
> > 
> > anomalies in data entered for the previous months, the error
> > 
> > message’An exception occurred
> > 
> > Sorry! The system failed to execute the operation. Usually, no data is
> > 
> > lost and you can continue working by going back to the previous page.
> > 
> > ’ keeps coming up.
> > 
> > To manage notifications about this bug go to:
> > 
> > [https://bugs.launchpad.net/dhis2/+bug/1226459/+subscriptions](https://bugs.launchpad.net/dhis2/+bug/1226459/+subscriptions)
> > 
> > * * *
> > 
> > Mailing list: [https://launchpad.net/~dhis2-devs](https://launchpad.net/~dhis2-devs)
> > 
> > Post to : [dhis2-devs@lists.launchpad.net](mailto:dhis2-devs@lists.launchpad.net)
> > 
> > Unsubscribe : [https://launchpad.net/~dhis2-devs](https://launchpad.net/~dhis2-devs)
> > 
> > More help : [https://help.launchpad.net/ListHelp](https://help.launchpad.net/ListHelp)
> 
> –  
> Knut Staring
> 
> Dept. of Informatics, University of Oslo
> 
> +4791880522
> 
> [http://dhis2.org](http://dhis2.org)