SAP Message AJ338 - Document &1: update error in function module &2

Diagnosis An update error occurred in the customer-defined function module &v2&during adjustment reversal of document &v1&. System Response Procedure INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX Procedure for System Administration Only pure database changes should be carried out in an update module.All preparations required for the update must already be completed inprevious function modules.