How To Fix MC354 - Lock mode & not allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 354

• Message text: Lock mode & not allowed

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 MC354 - Lock mode & not allowed ?

  The SAP error message MC354 ("Lock mode & not allowed") typically occurs in the context of inventory management or material management when there is an attempt to perform an operation that is not permitted due to the current lock mode of the data being accessed. This can happen in various scenarios, such as during inventory counts, stock transfers, or when trying to change material master data.
  
  Cause:
  
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a record is locked by another user or process, you may encounter this error when trying to access or modify that record.
  Transaction Type: Certain transactions may require specific lock modes (e.g., exclusive or shared locks). If the transaction you are trying to perform is not compatible with the current lock mode, this error will occur.
  Concurrent Access: Multiple users or processes trying to access the same data simultaneously can lead to this error if