How To Fix DMC_MDS_MAINT_EVENT168 - Number of not yet mapped transport requests is NEGATIVE ?!?!

DMC_MDS_MAINT_EVENT168 - Overview

• Message type: E = Error

• Message class: DMC_MDS_MAINT_EVENT - message class for dynamic maint event proc

• Message number: 168

• Message text: Number of not yet mapped transport requests is NEGATIVE ?!?!

What causes this issue?

The number of not yet mapped transport requests is negative. This is not
expected and normally results from some action that has removed existing
information about transport requests.

System Response

No further mapping is possible.

How to fix this error?

Upload all transport data (E070 etc) again from the files that were
downloaded from the upgrade reference system. Then it should be possible
to repeat this step.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

DMC_MDS_MAINT_EVENT168 - Details

• The SAP error message DMC_MDS_MAINT_EVENT168 indicating that the "Number of not yet mapped transport requests is NEGATIVE" typically arises in the context of the SAP Data Migration Cockpit (DMC) or during the transport of data between different systems. This error suggests that there is an inconsistency in the transport request mapping process, where the system is trying to reference a negative count of transport requests that have not been mapped.
  Causes:
  
  Inconsistent Data State: The system may have encountered an inconsistency in the data state, possibly due to incomplete or failed transport requests.
  
  Configuration Issues: There may be issues with the configuration of the transport management system or the DMC settings.
  Database Corruption: In rare cases, database corruption or issues with the underlying data model can lead to negative counts.
  Software Bugs: There may be bugs in the version of the SAP software you are using that lead to incorrect calculations or state management.
  
  Solutions:
  
  Check Transport