SAP ABAP Message Class AQ Message Number 634 (Table is already being used)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-SRV-QUE (Application Component) SAP Query
     SQUE (Package) Application Development R/3 SAP Query
Attribute
Message class AQ  
Short Description Message texts for SAP Query    
Message Number 634  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20090618   
Message Text
Table is already being used
Help Document

Diagnosis

You have tried to add a table to the join that is already there. This is only possible if you define an alias.

System Response

Procedure

Click on continue if you want to add the table again under an alias. Choose "Re-enter" if you want to select another table.

Procedure for System Administration

History
Last changed on/by 20140121  SAP 
SAP Release Created in