One of our Business User is unable to reject and cancel the inbox work item, when they tried to reject or cancel the Inbox workitem, there was a poolexception.
penwfe.org.engine.impl.expool.SimpleExpressionPool: fetch() Failed to retrieve expression ( fei 1.7.2 owfe/owfe field:_definition_ XXXXXXXXXXX-activation 1.0.0 1466603576813 sequence 0.0 ) because of openwfe.org.engine.expool.PoolException: loadExpression() didn't find expression owfe_1466603576813_sequence_0.0 in the repository