How To Fix BA087 - Unknown or not permitted data type &1 prevents automatic conversion

BA087 - Overview

• Message type: E = Error

• Message class: BA - Data Archiving

• Message number: 087

• Message text: Unknown or not permitted data type &1 prevents automatic conversion

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BA087 - Unknown or not permitted data type &1 prevents automatic conversion ?

  The SAP error message BA087, which states "Unknown or not permitted data type &1 prevents automatic conversion," typically occurs when there is an issue with data types in a Business Add-In (BAdI) or when trying to perform operations that involve incompatible data types. This error can arise in various contexts, such as during data processing, report generation, or when executing certain transactions.
  
  Cause:
  
  
  Incompatible Data Types: The error usually indicates that the system encountered a data type that it does not recognize or that is not allowed for the operation being performed. This can happen if:
  
  A field is defined with a data type that is not supported.
  There is an attempt to convert between incompatible data types (e.g., trying to convert a string to a numeric type without proper formatting).
  A custom field or structure is defined incorrectly.
  
  
  
  Custom Development Issues: If there are custom developments (like custom BAdIs or enhancements), they may not be