How To Fix MPE_AHF_MSG055 - Unexpected error calling instance class &1 for object type &2

MPE_AHF_MSG055 - Overview

• Message type: E = Error

• Message class: MPE_AHF_MSG - Message Class - Action Hook Framework

• Message number: 055

• Message text: Unexpected error calling instance class &1 for object type &2

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 MPE_AHF_MSG055 - Unexpected error calling instance class &1 for object type &2 ?

  The SAP error message MPE_AHF_MSG055 indicates that there was an unexpected error when calling an instance class for a specific object type. This error typically arises in the context of SAP's Advanced Business Application Programming (ABAP) or when dealing with specific application components that utilize instance classes.
  Possible Causes:
  
  Coding Issues: There may be a bug or an issue in the ABAP code that is trying to call the instance class.
  Configuration Problems: Incorrect configuration settings for the object type or instance class may lead to this error.
  Data Issues: The data being processed may not meet the expected format or constraints, leading to an error when the instance class is invoked.
  Authorization Issues: The user may not have the necessary authorizations to access the instance class or object type.
  System Issues: There could be underlying system issues, such as memory problems or other runtime exceptions.
  
  Solutions:
  
  Check the Code: Review the ABAP code that is invoking the