How To Fix MQ650 - Error when updating the key fields in the relevant record

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 650

• Message text: Error when updating the key fields in the relevant record

What causes this issue?

Problems occurred when converting a record in the table. The key fields
should be displayed here to identify the relevant record. Updating the
key in the log, however, went wrong.

System Response

Unfortunately the system cannot specify the record to which the
following problem messages belong.

How to fix this error?

Analyze the following error messages or warning messages noted for this
record in the log.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MQ650 - Error when updating the key fields in the relevant record ?

  The SAP error message MQ650 typically occurs when there is an attempt to update key fields in a record that is not allowed. This error is often related to the modification of key fields in database tables or structures that are not permitted due to data integrity constraints.
  Cause:
  
  Key Field Modification: The primary cause of the MQ650 error is the attempt to change a key field in a database record. Key fields are used to uniquely identify records in a table, and changing them can lead to data integrity issues.
  Data Consistency: The system enforces rules to maintain data consistency, and modifying key fields can violate these rules.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the update on key fields.
  
  Solution:
  
  Avoid Changing Key Fields: If you need to update a record, ensure that you are not trying to change any key fields. Instead, consider creating a new record with the desired key values and deleting the old record if necessary.
  Check for Dependencies: If the key field is part of a relationship with other tables, ensure that any dependencies are handled before attempting to make changes.
  Review Authorization: Ensure that the user has the necessary authorizations to perform the update. If not, contact your SAP security administrator to obtain the required permissions.
  Use Correct Transaction Codes: Make sure you are using the correct transaction codes and processes for the updates you are trying to perform. Some transactions may have restrictions on modifying key fields.
  Consult Documentation: Review the relevant SAP documentation or consult with your SAP support team for specific guidance related to the transaction or module you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to the MQ650 error. SAP frequently releases notes that address known issues.
  Transaction Codes: Familiarize yourself with the transaction codes related to the table or module you are working with, as they may have specific rules regarding key field updates.
  Data Model: Understanding the data model and relationships between tables can help in identifying why the error is occurring and how to resolve it.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal IT team for further investigation.