How To Fix CRM_IST_CONTRACT178 - Header GUID &1 does not match GUID &2 found by external number

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IST_CONTRACT - Messages for the IST Contract

• Message number: 178

• Message text: Header GUID &1 does not match GUID &2 found by external number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IST_CONTRACT178 - Header GUID &1 does not match GUID &2 found by external number ?

  The SAP error message CRM_IST_CONTRACT178 indicates a mismatch between the GUID (Globally Unique Identifier) of a contract header and the GUID that was found using an external number. This typically occurs in the context of SAP Customer Relationship Management (CRM) when there is an attempt to access or manipulate a contract using an external reference that does not correspond to the expected internal data.
  Cause:
  
  Data Inconsistency: The external number provided does not correspond to the expected GUID in the system. This can happen if the external number was changed or if there are multiple entries for the same external number.
  Incorrect External Number: The external number being used to retrieve the contract may be incorrect or may not exist in the system.
  System Migration Issues: If data was migrated from another system or if there were changes in the data structure, it could lead to inconsistencies in GUIDs.
  User Error: The user may have entered the wrong external number or may be trying to access a contract that has been deleted or archived.
  
  Solution:
  
  Verify External Number: Check the external number being used to ensure it is correct and corresponds to an existing contract in the system.
  Check Data Consistency: Use transaction codes like SE16 or SE11 to look up the relevant tables (e.g., CRMD_ORDERADM_H for order headers) and verify that the GUIDs match the external numbers.
  Recreate or Update Contract: If the contract has been deleted or is no longer valid, you may need to recreate it or update the external reference to point to the correct contract.
  Consult with Technical Support: If the issue persists, it may be necessary to consult with your SAP technical support team or a developer to investigate the underlying data and resolve any inconsistencies.
  Check for System Notes: Review any system notes or logs that may provide additional context on why the mismatch is occurring.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CRMD_ORDER for managing contracts and SE16 for data browsing.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on contract management and GUID handling for further insights into how these identifiers are managed within the system.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.