Friday, December 23, 2011

MIXED_DML_OPERATION

This error occurs when attempting to update a setup object and a non-setup object at the same time.  For example updating the user object and a chatter group object:

MIXED_DML_OPERATION, DML operation on setup object is not permitted after you have updated a non-setup object (or vice versa):

To get around this use future method to call the non-setup object.  @future

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