How To Fix /SCMB/LSO128 - Internal error during optimizer execution

/SCMB/LSO128 - Overview

• Message type: E = Error

• Message class: /SCMB/LSO -

• Message number: 128

• Message text: Internal error during optimizer execution

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/LSO128 - Internal error during optimizer execution ?

  The SAP error message /SCMB/LSO128 Internal error during optimizer execution typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when there is an issue during the execution of the optimizer. This error can be caused by various factors, including data inconsistencies, configuration issues, or problems with the optimizer itself.
  Causes:
  
  Data Inconsistencies: Missing or incorrect master data (like materials, locations, or resources) can lead to internal errors during optimization.
  
  Configuration Issues: Incorrect settings in the optimizer configuration or planning area can cause the optimizer to fail.
  Resource Constraints: If the optimizer cannot find a feasible solution due to resource constraints or conflicting data, it may trigger this error.
  Software Bugs: There may be bugs in the version of the software you are using, which can lead to unexpected behavior during optimization.
  Memory Issues: Insufficient memory allocation for the optimizer process can also lead to internal errors.
  
  Solutions:
  
  Check Master Data: