SAP Message BOM002 - Error when saving BOM. Please see the application log.

Diagnosis An API error occurred processing the BOM. System Response Individual system messages are collected in the application log forobject CAPI and subobject CAPI_LOG. Procedure You can display the application log for object CAPI and subobjectCAPI_LOG with transaction SLG1. To go to the relevant log entry, enterthe IDoc number as parameter External number.