How To Fix MM176 - User names can be kept only with a processing block size of 1

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 176

• Message text: User names can be kept only with a processing block size of 1

What causes this issue?

For technical reasons, the names of the users, who made the scheduled
changes, can be copied to the change documents only with a
<DS:DE.MG_BLOCK>processing block size</> of <LS>1</>.

System Response

The system has set the processing block size to <LS>1</>. However, this
can slow down the system considerably.

How to fix this error?

Decide whether you prefer to carry out this function more swiftly with
a higher processing block size, or whether you want to see the original
user names.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM176 - User names can be kept only with a processing block size of 1 ?

  The SAP error message MM176 ("User names can be kept only with a processing block size of 1") typically occurs in the context of material master data processing, particularly when dealing with user-specific data or settings. This error indicates that the system is trying to process user names in a way that is incompatible with the current block size setting.
  
  Cause:
  The error is usually caused by the following factors:
  
  Block Size Configuration: The processing block size for user names is set to a value greater than 1, which is not allowed for user-specific data.
  Data Processing Logic: The logic in the program or transaction being executed may be attempting to handle user names in a batch process rather than individually.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system that manipulate user data, they may not adhere to the required processing rules.
  
  
  Solution:
  To resolve the MM176 error, you can take