How To Fix MC991 - Initialization error with log flag in table DDNTT

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 991

• Message text: Initialization error with log flag in table DDNTT

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MC991 - Initialization error with log flag in table DDNTT ?

  The SAP error message MC991, which indicates an "Initialization error with log flag in table DDNTT," typically occurs during the execution of certain transactions or reports in the SAP system, particularly those related to inventory management or material management.
  
  Cause:
  The error is often caused by issues related to the internal table DDNTT, which is used for temporary storage of data during report execution. Common causes include:
  
  Data Corruption: The DDNTT table may have corrupted entries or inconsistencies.
  Memory Issues: Insufficient memory allocation for the process can lead to initialization errors.
  
  Configuration Issues: Incorrect settings or configurations in the SAP system can lead to this error.
  Program Errors: Bugs or issues in the ABAP program that is being executed can also trigger this error.
  
  
  Solution:
  To resolve the MC991 error, you can try the following steps:
  
  
  Check for Data Consistency:
  
  Use transaction codes like SE11 or SE16 to check the contents of the DDNTT table for any inconsistencies or corruption.
  
  
  
  Clear