How To Fix /SAPAPO/MA773 - MLR error 1: Number of table rows not equal to predefined value

/SAPAPO/MA773 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 773

• Message text: MLR error 1: Number of table rows not equal to predefined value

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 /SAPAPO/MA773 - MLR error 1: Number of table rows not equal to predefined value ?

  The SAP error message /SAPAPO/MA773 MLR error 1: Number of table rows not equal to predefined value typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is a mismatch in the expected number of rows in a table during a Multi-Level Resource (MLR) planning run. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the planning run itself.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that lead to an unexpected number of rows being processed.
  
  Configuration Issues: Incorrect configuration settings in the APO system can lead to discrepancies in the expected data structure.
  Planning Object Structure: The planning object structure may not be correctly defined, leading to a mismatch in the expected number of rows.
  Custom Code or Enhancements: If there are custom developments or enhancements in the planning process, they may not be handling data