How To Fix ITOB012 - Internal error when calling function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ITOB - Messages for development class ITOB

• Message number: 012

• Message text: Internal error when calling function module &1

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 ITOB012 - Internal error when calling function module &1 ?

  The SAP error message ITOB012, which states "Internal error when calling function module &1," typically indicates that there is an issue with the execution of a function module in the SAP system. This error can arise from various underlying causes, and addressing it often requires a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Coding Errors: There may be a bug or issue in the custom code or enhancements that are calling the function module.
  Data Issues: The data being passed to the function module may be invalid or not in the expected format.
  
  Configuration Issues: Incorrect configuration settings in the system can lead to this error.
  System Bugs: There may be a known issue or bug in the SAP system version you are using.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  
  Solutions:
  
  
  Check the Function Module: 
  
  Use transaction SE37 to check the