How To Fix CMCB_MSG379 - Cannot update liquidity hierarchy runtime tables

SAP Error Message - Details

• Message type: E = Error

• Message class: CMCB_MSG - Cash Budgeting Message Class

• Message number: 379

• Message text: Cannot update liquidity hierarchy runtime tables

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMCB_MSG379 - Cannot update liquidity hierarchy runtime tables ?

  The SAP error message CMCB_MSG379 ("Cannot update liquidity hierarchy runtime tables") typically occurs in the context of liquidity management within SAP systems, particularly when dealing with liquidity hierarchies in the Cash Management module. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the liquidity hierarchy data that prevent the system from updating the runtime tables.
  Configuration Issues: Incorrect configuration settings in the liquidity management module can lead to this error.
  Database Locking: The runtime tables may be locked by another process, preventing updates.
  Authorization Issues: The user may not have the necessary authorizations to perform updates on the liquidity hierarchy.
  Technical Issues: There could be underlying technical issues, such as database corruption or connectivity problems.
  
  Solutions:
  
  
  Check Data Consistency: 
  
  Use transaction codes like SLG1 (Application Log) to check for any logs related to the error. This can help identify specific data issues.
  Run consistency checks on the liquidity hierarchy data.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for liquidity management. Ensure that all necessary settings are correctly defined.
  Check the liquidity hierarchy settings in the customizing transaction (e.g., SPRO).
  
  
  
  Database Locks:
  
  Check for any active locks on the runtime tables using transaction SM12. If locks are found, investigate the processes holding them and resolve any conflicts.
  
  
  
  Authorization Check:
  
  Ensure that the user encountering the error has the necessary authorizations to update the liquidity hierarchy. This can be checked in transaction SU53 or by consulting with your security team.
  
  
  
  Technical Support:
  
  If the issue persists, consider reaching out to your SAP Basis team or technical support for assistance. They can help diagnose any underlying technical issues, such as database problems.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CMR1 (Liquidity Planning), CMR2 (Liquidity Forecast), and CMR3 (Liquidity Analysis) for managing liquidity hierarchies.
  Documentation: Review SAP documentation related to Cash Management and liquidity management for best practices and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution. If the problem continues, consider escalating the issue to SAP support for further assistance.