How To Fix DI794 - Predecessor table & for base table & is not a base table

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 794

• Message text: Predecessor table & for base table & is not a base table

What causes this issue?

Each secondary table of a lock object must be connected to a base table
above it in the hierarchy with a join condition.
For the secondary table named the specified preceeding table is not
base table of the lock objcect.

System Response

The action is cancelled.

How to fix this error?

Build the hierarchy of the lock object correctly. Observe the
<DS:TX.DDDOK_ENQU_REQUIREMENTS>requirements for the join conditions of
a lock object</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI794 - Predecessor table & for base table & is not a base table ?

  The SAP error message DI794 typically indicates an issue related to the data dictionary in the SAP system, specifically concerning the relationship between database tables. This error arises when there is a problem with the definition of a predecessor table and its relationship with a base table.
  Cause:
  
  Incorrect Table Definition: The predecessor table may not be correctly defined as a base table in the data dictionary.
  Missing or Incorrect Foreign Key Relationships: There may be issues with foreign key relationships between the tables, leading to inconsistencies.
  Transport Issues: If the tables were transported from one system to another, there might be inconsistencies in the transport that led to this error.
  Database Issues: There could be underlying database issues that are causing the tables to not be recognized correctly.
  
  Solution:
  
  Check Table Definitions: Verify the definitions of the predecessor and base tables in the Data Dictionary (transaction SE11). Ensure that the predecessor table is correctly defined and that it is indeed a base table.
  Review Foreign Key Relationships: Check the foreign key relationships between the tables. Ensure that they are correctly defined and that the predecessor table is properly linked to the base table.
  Recreate the Table: If the table definitions are incorrect, you may need to recreate the predecessor table or adjust its properties to ensure it is recognized as a base table.
  Transport Request: If the issue arose after a transport, check the transport request for any missing objects or inconsistencies. You may need to re-import the transport or adjust the objects manually.
  Database Consistency Check: Run a database consistency check to identify any underlying issues with the database that may be causing the error.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) to investigate and resolve the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or fixes for known problems.
  Documentation: Review SAP documentation related to data dictionary management and table relationships for further insights.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.