How To Fix DA479 - Error in ALTER TABLE generation for table &

DA479 - Overview

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 479

• Message text: Error in ALTER TABLE generation for table &

What causes this issue?

This error message indicates that internal inconsistencies exist.

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?

Please consult SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DA479 - Error in ALTER TABLE generation for table & ?

  The SAP error message DA479, which states "Error in ALTER TABLE generation for table &," typically occurs during database operations, particularly when there are issues with the generation of the ALTER TABLE statement for a specific database table. This error can arise due to various reasons, including:
  Causes:
  
  Database Locking Issues: The table may be locked by another process, preventing the ALTER TABLE command from executing.
  Syntax Errors: There may be a syntax error in the generated SQL statement, which can happen if there are issues with the table definition or constraints.
  Database Constraints: Existing constraints on the table may conflict with the changes being made.
  Insufficient Authorizations: The user executing the command may not have the necessary permissions to alter the table.
  Database Corruption: In rare cases, there may be corruption in the database that prevents the operation from completing successfully.
  Incompatible Data Types: If the changes involve altering data types, there may be incompatibilities with