SAP Knowledge Base Article - Preview

2289006 - Lock table overflow regarding transaction CWBQM or CEWB


You use transaction CWBQM or CEWB to change some data regarding task lists, e.g. MICs (master inspection characteristics) in inspection plan operations or something in a routing. The following error message is displayed in syslog: 'Lock table overflowed', and/or in transaction SM12 you can see many lock entries. Because of these locks jobs might fail or users are logged off.

Examples of lock entries in transaction SM12:

  • CWBQM:
  • CEWB:



  • SAP ERP Quality Management (QM)
  • SAP ERP Logistics (LO)  
  • SAP R/3
  • SAP R/3 Enterprise
  • SAP ERP Central Component
  • SAP Enhancement package for SAP ERP
  • SAP Enhancement package for SAP ERP, version for SAP HANA


SAP ERP Central Component all versions ; SAP ERP all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions


ECC, SAPLCPRC, OPR_CLASS_LOCK, V_T410-TSK_LOCK_SET, V_T410-OPR_LOCK_SET, V_T410-SEQ_LOCK_SET, V_T410-BOM_LOCK_SET, V_T410-ITM_LOCK_SET, Sperrtabelle, Systemfehler, Überlauf, übergelaufen, Sperrverwaltung, Prüfplan, Normalarbeitsplan, Standardarbeitsplan, Reference operation set, Vorgang, Merkmal, Arbeitsbereich, automatisch, Sperren, Arbeitsvorrat, gleichzeitig , KBA , LO-EWB , Engineering Workbench , QM-PT-IP , Inspection Planning , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.