How To Fix /SCMB/DDD_BUF_MAINT020 - Error during summary preparation; see log

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/DDD_BUF_MAINT -

• Message number: 020

• Message text: Error during summary preparation; see log

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/DDD_BUF_MAINT020 - Error during summary preparation; see log ?

  The SAP error message /SCMB/DDD_BUF_MAINT020 typically indicates an issue during the summary preparation process in the Supply Chain Management (SCM) module, particularly related to the Demand Data Distribution (DDD) functionality. This error can occur for various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the relevant tables.
  Configuration Issues: Incorrect configuration settings in the SCM module can lead to errors during data processing.
  Database Issues: Problems with the database, such as locks or corruption, can prevent the summary from being prepared.
  Authorization Issues: Lack of proper authorizations for the user executing the process can also lead to errors.
  System Performance: If the system is under heavy load, it may not be able to process the request in a timely manner.
  
  Solutions:
  
  Check the Logs: Review the detailed logs associated with the error message. The logs can provide specific information about what went wrong during the summary preparation.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or missing entries. This may involve checking relevant tables and records.
  Configuration Review: Review the configuration settings in the SCM module to ensure they are set up correctly. This may involve checking settings related to demand planning and data distribution.
  Database Maintenance: Perform database maintenance tasks, such as checking for locks, running consistency checks, or optimizing the database if necessary.
  User Authorizations: Ensure that the user executing the process has the necessary authorizations to perform the operation.
  System Performance Monitoring: Monitor system performance and resource usage. If the system is under heavy load, consider scheduling the process during off-peak hours.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SLG1 (Application Log) to view logs related to the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation and resolution.