How To Fix CRM_IST_CONTRACT166 - Header ID &1 and GUID &2 do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IST_CONTRACT - Messages for the IST Contract

• Message number: 166

• Message text: Header ID &1 and GUID &2 do not match

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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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IST_CONTRACT166 - Header ID &1 and GUID &2 do not match ?

  The SAP error message CRM_IST_CONTRACT166 indicates that there is a mismatch between the header ID and the GUID (Globally Unique Identifier) of a contract in the SAP CRM system. This typically occurs when there is an inconsistency in the data, possibly due to data corruption, incorrect data entry, or issues during data migration.
  Cause:
  
  Data Inconsistency: The header ID and GUID are expected to match for a contract, and if they do not, it suggests that the data may have been altered or corrupted.
  Incorrect Data Entry: Manual entry errors can lead to mismatched IDs.
  Data Migration Issues: If data was migrated from another system or during an upgrade, it may not have been transferred correctly.
  System Bugs: Occasionally, bugs in the SAP system can lead to inconsistencies.
  
  Solution:
  
  Verify Data: Check the database entries for the contract in question. Ensure that the header ID and GUID are correctly associated.
  Recreate the Contract: If the contract is corrupted, it may be necessary to delete the existing contract and recreate it with the correct data.
  Data Consistency Check: Use transaction codes like SE11 to check the database tables for inconsistencies. You may also use transaction SLG1 to check for logs related to the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve the issue.
  Consult with SAP Support: If the issue persists, it may be necessary to contact SAP support for further assistance, especially if it is a bug or a deeper system issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CRMD_ORDER for managing contracts and SE11 for database table checks.
  Data Model: Understanding the data model for contracts in SAP CRM can help in diagnosing issues related to IDs and GUIDs.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  Testing: If changes are made, ensure to test the contract creation and modification processes in a development or quality assurance environment before applying changes to production.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.