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Process Mapping > Categories > The Forums > Concurrency violation when a form is submitted...
 
 


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JCKiran

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Posts: 58
Posted Reply with quote  #1 
Exception 'concurrency violation: the update command effected 0 of the expected 1 records.' Occurred when attempting to 'MBO update'

This is the error message I am getting when trying to submit a form. I have verified the form and the MBOs used in the form for concurrency violation. There seems no issue. Has any one encountered this kind of issue previously?

Any kind of clue is highly appreciated.
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Kiran
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BMellert

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Posted Reply with quote  #2 
We encountered this when we updated one of the values that was a key into the table in question, especially if the user blanked a column in a grid.  Ours happened during a delete, but could be similar for an update.  For example, we had a key of:  FolderID, Related To, Role Status, Name, PKey.  (Using PKey wasn't an option due to required sort order.)  If the user blanked out Related To for instance and tried to save we got the error.

Yours may not be the same (changing a key value).  You don't mention if its a custom BO, solution table BO, or something else, so I'm making a guess.
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JCKiran

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Posts: 58
Posted Reply with quote  #3 
Hi... thank you for your quick info.

As of now, we are clueless what is causing this issue. The Log table shows the error message. However, I don't see any possibility of this violation in the BOs. Unfortunately we are encountering same issue on a form where we do not have any business object.
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Kiran
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