SAP Message CCMM134 - At least one error occurred during attempted update of struct.gap table

Diagnosis While trying to update the structure gap data on database, at least onemessage with a grave error was output. System Response The process is terminated. The system cannot save your entries. Procedure View the application log and verify all error messages. You can eithertry to correct the error, if possible, or activate the "ForcedInstallation/Removal Mode" to overrule the check results. In either case , save your entries again to restart the removal/ installation process.