How To Fix AQ643 - Entries from alias tables not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 643

• Message text: Entries from alias tables not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AQ643 - Entries from alias tables not possible ?

  The SAP error message AQ643 ("Entries from alias tables not possible") typically occurs when there is an issue with the way alias tables are being used in your SAP system. This error can arise in various contexts, such as when trying to perform operations that involve database tables and their aliases.
  Cause:
  
  Alias Table Configuration: The error may occur if the alias tables are not properly configured or if there are inconsistencies in the database schema.
  Database Constraints: There may be constraints or restrictions in the database that prevent entries from being made into the alias tables.
  Data Integrity Issues: If there are issues with data integrity or if the underlying tables have been modified in a way that affects the alias, this error can occur.
  Authorization Issues: Lack of proper authorizations to access or modify the alias tables can also lead to this error.
  
  Solution:
  
  Check Alias Configuration: Review the configuration of the alias tables in your SAP system. Ensure that they are correctly set up and that the underlying tables are accessible.
  Database Consistency Check: Perform a consistency check on the database to identify any issues with the tables or their relationships. You can use transaction codes like SE14 (Database Utility) to check and repair inconsistencies.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform operations on the alias tables. You may need to consult with your SAP security team to verify this.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to alias tables.
  Debugging: If the issue persists, consider debugging the program or transaction that is causing the error to identify the root cause. This may require the assistance of a developer or SAP Basis consultant.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on alias tables and their usage.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) for managing database objects.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.