How To Fix /STMC/CR_MSG195 - Error while verifying ETag; &1 <> &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 195

• Message text: Error while verifying ETag; &1 <> &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG195 - Error while verifying ETag; &1 <> &2 ?

  The SAP error message /STMC/CR_MSG195 indicates an issue with verifying the ETag (Entity Tag) during a data synchronization or communication process. The message typically means that there is a mismatch between the expected ETag value and the actual ETag value received. This can occur in various scenarios, such as when working with SAP Cloud Platform, SAP Gateway, or other integration scenarios.
  Cause:
  
  
  ETag Mismatch: The primary cause of this error is that the ETag value expected by the system does not match the ETag value that is being sent or received. This can happen due to:
  
  Data being modified or updated in the source system after the ETag was generated.
  Network issues causing data corruption or loss during transmission.
  Incorrect configuration or settings in the integration setup.
  
  
  
  Concurrency Issues: If multiple processes are trying to update the same resource simultaneously, it can lead to ETag mismatches.
  
  
  Caching Issues: Sometimes, caching mechanisms may serve outdated ETag values, leading to discrepancies.
  
  
  Solution:
  
  
  Check Data Consistency: Ensure that the data being synchronized is consistent and that no changes have been made to the resource after the ETag was generated.
  
  
  Retry the Operation: If the error is due to a temporary issue, retrying the operation may resolve the problem.
  
  
  Clear Cache: If caching is involved, clear the cache to ensure that the latest ETag values are being used.
  
  
  Review Integration Configuration: Check the configuration settings for the integration scenario to ensure that they are correct and that the systems are properly synchronized.
  
  
  Handle Concurrency: Implement proper locking mechanisms or version control to handle concurrent updates to resources.
  
  
  Debugging: If the issue persists, enable debugging or logging to capture more detailed information about the error and the context in which it occurs.
  
  
  Related Information:
  
  ETag: An ETag is a unique identifier assigned to a specific version of a resource. It is used in HTTP protocols to manage cache validation and conditional requests.
  SAP Documentation: Refer to SAP's official documentation for more details on ETags and error handling in the specific context of your SAP system.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and to find additional solutions or workarounds.
  
  If the problem continues after trying the above solutions, it may be necessary to involve SAP support for further investigation.