How To Fix 37591 - Internal error: Illegal parameter & from function module &

37591 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 591

• Message text: Internal error: Illegal parameter & from function module &

What causes this issue?

An illegal parameter value was used to call the specified function
module.

System Response

Processing terminated.

How to fix this error?

Correct the parameter value with the help of the function module
documentation.

Error message extract from SAP system. Copyright SAP SE.

37591 - Details

• The SAP error message 37591, which states "Internal error: Illegal parameter & from function module &," typically indicates that there is an issue with the parameters being passed to a function module in SAP. This error can arise due to various reasons, including:
  Causes:
  
  Incorrect Parameter Values: The parameters being passed to the function module may not conform to the expected data types or formats.
  
  Configuration Issues: There may be configuration settings in the system that are not set up correctly, leading to the function module receiving unexpected values.
  Custom Code: If there is custom ABAP code that calls the function module, it may be passing incorrect or unexpected parameters.
  Data Consistency Issues: There may be inconsistencies in the data being processed, such as missing or invalid entries in the database.
  SAP Notes: There may be known issues with the specific version of SAP you are using, which could be addressed in SAP Notes.
  
  Solutions:
  
  Check Parameter Values: