How To Fix AQ198 - Correct WHERE condition

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 198

• Message text: Correct WHERE condition

What causes this issue?

The WHERE condition you formulated for linking an SAP table contains
syntax errors.

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?

Either correct the error or delete the SAP table from the functional
area.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ198 - Correct WHERE condition ?

  The SAP error message AQ198, which states "Correct WHERE condition," typically occurs in the context of database queries or selections in SAP systems. This error indicates that there is an issue with the WHERE clause of a SQL statement or a selection query, which is preventing the system from executing the query correctly.
  Causes:
  
  Invalid Syntax: The WHERE condition may contain syntax errors, such as missing operators or incorrect use of parentheses.
  Non-Existent Fields: The fields referenced in the WHERE clause may not exist in the database table or view being queried.
  Data Type Mismatch: There may be a mismatch between the data types of the fields and the values being compared in the WHERE clause.
  Logical Errors: The logic of the WHERE condition may be flawed, leading to an invalid query.
  Database Constraints: There may be constraints or restrictions in the database that prevent the execution of the query as written.
  
  Solutions:
  
  Review the Query: Check the SQL statement or selection query for any syntax errors. Ensure that all operators and parentheses are correctly placed.
  Verify Field Names: Ensure that all field names used in the WHERE clause are correct and exist in the specified table or view.
  Check Data Types: Make sure that the values being compared in the WHERE clause match the data types of the fields. For example, if a field is of type integer, ensure that you are not comparing it to a string.
  Simplify the Query: If the WHERE condition is complex, try simplifying it to isolate the issue. Start with a basic condition and gradually add more complexity.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the correct syntax and usage of SQL statements in your specific context.
  Use Debugging Tools: If available, use debugging tools or transaction codes (like SE38 for ABAP programs) to analyze the query execution and identify where the error occurs.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like SE11 (Data Dictionary), SE38 (ABAP Editor), or SE80 (Object Navigator) to work with database queries.
  SQL Trace: You can use transaction ST05 (SQL Trace) to trace the SQL statements being executed and identify the source of the error.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message AQ198.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and correct the issue causing the AQ198 error message in your SAP system.