How To Fix DMC_GENERAL261 - COBJ_GUID missing in table DMC_MT_TABLES - lock not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 261

• Message text: COBJ_GUID missing in table DMC_MT_TABLES - lock not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL261 - COBJ_GUID missing in table DMC_MT_TABLES - lock not possible ?

  The SAP error message DMC_GENERAL261 indicates that there is a missing object (specifically, a COBJ_GUID) in the table DMC_MT_TABLES, which is preventing a lock operation from being performed. This error typically occurs in the context of SAP Data Management and can be related to various scenarios, such as data migration, data replication, or data transformation processes.
  Cause:
  
  
  Missing Entry: The COBJ_GUID (which represents a specific object in the Data Management context) is not found in the DMC_MT_TABLES table. This could be due to:
  
  Data inconsistency or corruption.
  An incomplete or failed data load process.
  Manual deletion or modification of entries in the DMC_MT_TABLES table.
  
  
  
  Configuration Issues: There may be configuration issues in the Data Management settings that lead to the system not recognizing the object.
  
  
  System Bugs: There could be bugs or issues in the version of SAP you are using that affect how the Data Management component interacts with the database.
  
  
  Solution:
  
  
  Check for Missing Entries: 
  
  Use transaction codes like SE11 or SE16 to check the DMC_MT_TABLES table for the specific COBJ_GUID. If it is indeed missing, you may need to investigate how it was removed or why it was never created.
  
  
  
  Recreate the Missing Entry: 
  
  If you have a backup or a way to recreate the missing entry, you can manually insert it into the DMC_MT_TABLES table. However, this should be done with caution and ideally under the guidance of SAP support or a qualified consultant.
  
  
  
  Review Data Management Processes: 
  
  Check the processes that interact with the Data Management component to ensure they are functioning correctly. Look for any logs or error messages that might indicate where the process failed.
  
  
  
  Consult SAP Notes: 
  
  Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that might address this specific error. SAP frequently updates its documentation and provides fixes for known issues.
  
  
  
  System Update: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for bugs that could be causing this error.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  DMC_MT_TABLES: This table is part of the Data Management component in SAP and is used to manage metadata related to data objects.
  COBJ_GUID: This is a unique identifier for a data object in the Data Management framework.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and ST22 (Dump Analysis) for troubleshooting.
  
  Always ensure that you have proper backups and follow best practices when making changes to the database or system configurations.