How To Fix MC844 - Table & is not a base table of &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 844

• Message text: Table & is not a base table of &

What causes this issue?

The generalization for this view was created as a table in the ABAP/4
Dictionary. The view for specialization must contain this table as a
base table in order that it be possible to transfer the attributes.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC844 - Table & is not a base table of & ?

  The SAP error message MC844, which states "Table & is not a base table of &," typically occurs in the context of SAP's Material Management (MM) or Logistics Information System (LIS) when there is an issue with the data source or the configuration of the InfoObject in the data warehousing environment.
  Cause:
  
  
  Incorrect Table Configuration: The error usually indicates that the table you are trying to access or use in a query is not recognized as a base table for the specified InfoObject. This can happen if the table is not properly defined in the data model or if it has been changed or deleted.
  
  
  Data Source Issues: If the data source is not correctly set up or if there are inconsistencies in the data model, this error can occur.
  
  
  Transport Issues: If changes were transported from one system to another (e.g., from development to production) and the transport did not include all necessary objects, this error may arise.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the specified table or InfoObject.
  
  
  Solution:
  
  
  Check Table Configuration: Verify that the table you are trying to use is correctly defined as a base table for the InfoObject in the data model. You can do this by checking the InfoObject settings in the Data Warehousing Workbench (transaction RSA1).
  
  
  Review Data Source: Ensure that the data source is correctly configured and that it points to the right base table. You may need to reconfigure or recreate the data source if there are issues.
  
  
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included in the transport. If something is missing, you may need to transport it again.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access the table and InfoObject. You can check this in the user roles and authorizations.
  
  
  Rebuild InfoObject: If the problem persists, consider rebuilding the InfoObject or the data source. This can sometimes resolve underlying issues.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: You may find it useful to use transaction codes like RSA1 (Data Warehousing Workbench) to check the InfoObjects and data sources.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.