How To Fix MC190 - Unexpected error when locking matchcode object &

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 190

• Message text: Unexpected error when locking matchcode object &

What causes this issue?

In matchcode object maintenance, the global data of a function
module must be locked. An unexpected error occurred when locking this
function module.

System Response

The system cancels matchcode object maintenance.

How to fix this error?

Repeat matchcode object maintenance. If the same error occurs again,
repeat matchcode object maintenance after restarting the SAP system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC190 - Unexpected error when locking matchcode object & ?

  The SAP error message MC190, which states "Unexpected error when locking matchcode object &," typically occurs in the context of data processing or when accessing matchcode objects in SAP. This error can arise due to various reasons, including database inconsistencies, issues with the matchcode object itself, or problems with the underlying data.
  Causes:
  
  Database Lock Issues: The matchcode object may be locked by another process or transaction, preventing access.
  Inconsistent Data: There may be inconsistencies or corruption in the data related to the matchcode object.
  
  Configuration Issues: The matchcode object may not be properly configured or may have been deleted or modified incorrectly.
  System Performance: High system load or performance issues can lead to unexpected errors when accessing matchcode objects.
  Authorization Issues: The user may not have the necessary authorizations to access or lock the matchcode object.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check for any existing locks on the matchcode object. If you find locks