How To Fix >6551 - Internal error: Unexpected exception in function module &1

>6551 - Overview

• Message type: E = Error

• Message class: >6 - Purchasing Document

• Message number: 551

• Message text: Internal error: Unexpected exception in 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 >6551 - Internal error: Unexpected exception in function module &1 ?

  The SAP error message 6551: Internal error: Unexpected exception in function module &1 indicates that an unexpected exception has occurred in a specific function module. This type of error is typically related to issues within the SAP system, such as coding errors, data inconsistencies, or problems with the configuration.
  Causes:
  
  Coding Errors: There may be a bug or unhandled exception in the function module that is being called.
  Data Issues: Inconsistent or corrupt data being processed by the function module can lead to unexpected exceptions.
  Configuration Problems: Incorrect configuration settings in the system can cause certain function modules to fail.
  System Bugs: There may be known bugs in the version of SAP you are using that affect the function module.
  Authorization Issues: Lack of proper authorizations can sometimes lead to unexpected behavior in function modules.
  
  Solutions:
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address the specific function module or error