How To Fix AQ641 - Illegal left outer join between tables &1 - &2- &3.

AQ641 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 641

• Message text: Illegal left outer join between tables &1 - &2- &3.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AQ641 - Illegal left outer join between tables &1 - &2- &3. ?

  The SAP error message AQ641 indicates that there is an illegal left outer join between the specified tables in your query. This typically occurs when the join conditions do not meet the requirements for a left outer join, which can lead to inconsistencies or ambiguities in the data retrieval process.
  
  Cause:
  
  Incompatible Join Conditions: The tables involved in the left outer join may not have compatible join conditions. For example, if the join is based on fields that do not have a direct relationship or if the fields are of different data types.
  Incorrect Table Relationships: The logical relationship between the tables may not support a left outer join. This can happen if one of the tables does not have a corresponding entry in the other table.
  Database Constraints: There may be constraints in the database schema that prevent the left outer join from being executed properly.
  
  
  Solution:
  
  Review Join Conditions: Check the join conditions in