How To Fix AQ898 - Convert first

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 898

• Message text: Convert first

What causes this issue?

Before you work with queries, functional areas or user groups in this
query area, you must convert the objects.

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?

Get your system administrator to convert the objects. The ABAP Query
Release Information for Release 4.0A describes how to convert these
objects. Also read Note 92124.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ898 - Convert first ?

  The SAP error message AQ898 "Convert first" typically occurs in the context of data conversion or transformation processes within SAP systems, particularly when dealing with data types or formats that are incompatible or not properly defined.
  Cause:
  
  Data Type Mismatch: The error often arises when there is an attempt to convert a data type that is not compatible with the target type. For example, trying to convert a string to a numeric type without proper formatting.
  Missing Conversion Logic: The conversion logic may not be defined or implemented correctly in the program or function module.
  Incorrect Input Data: The input data may not be in the expected format, leading to conversion failures.
  Configuration Issues: There may be issues with the configuration settings related to data conversion in the SAP system.
  
  Solution:
  
  Check Data Types: Review the data types involved in the conversion process. Ensure that the source and target data types are compatible.
  Implement Conversion Logic: If the conversion logic is missing, implement the necessary conversion functions or methods to handle the data transformation correctly.
  Validate Input Data: Ensure that the input data is in the correct format before attempting conversion. This may involve data cleansing or preprocessing steps.
  Debugging: Use debugging tools in SAP to trace the execution of the program and identify where the conversion is failing. This can help pinpoint the exact cause of the error.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the conversion functions being used.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the AQ898 error message. SAP frequently updates its knowledge base with solutions for common errors.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the AQ898 "Convert first" error in your SAP environment.