How To Fix /IWFND/CM_CNP026 - Unique-ID generation error

/IWFND/CM_CNP026 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_CNP -

• Message number: 026

• Message text: Unique-ID generation error

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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/IWFND/CM_CNP026 - Details

• The SAP error message /IWFND/CM_CNP026 Unique-ID generation error typically occurs in the context of SAP Gateway services, particularly when there is an issue with generating unique identifiers for entities in the OData service. This can happen for various reasons, including configuration issues, data inconsistencies, or problems with the underlying database.
  Causes:
  
  Database Issues: There may be problems with the database that prevent the generation of unique IDs, such as locks or constraints.
  Configuration Errors: Incorrect configuration in the OData service or the underlying data model can lead to this error.
  Concurrency Issues: If multiple requests are trying to generate unique IDs simultaneously, it may lead to conflicts.
  Data Model Issues: If the data model is not properly defined or if there are issues with the entity sets, it can cause this error.
  Service Activation: The OData service may not be properly activated or may have been deactivated.
  
  Solutions:
  
  Check Database Locks: Ensure that there are no locks on