How To Fix EP801 - Unknown exception while calling up message handler

EP801 - Overview

• Message type: E = Error

• Message class: EP - Messages for Posting Area

• Message number: 801

• Message text: Unknown exception while calling up message handler

What causes this issue?

An unknown exception occurred while calling up the message handler.

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EP801 - Unknown exception while calling up message handler ?

  The SAP error message "EP801 Unknown exception while calling up message handler" typically indicates that there is an issue with the message handling in the SAP system, which can be caused by various factors. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  
  
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to this error. This may include issues with the message handler settings or related components.
  
  
  System Bugs: There may be bugs in the SAP software or specific patches that have not been applied, leading to unexpected behavior.
  
  
  Authorization Problems: Insufficient authorizations for the user or the system components involved in the message handling process can trigger this error.
  
  
  Network Issues: Problems with network connectivity or communication between different SAP components can also result in this error.
  
  
  Data Corruption: Corrupted data in the database or inconsistencies in the application data can lead to exceptions being thrown.
  
  
  Solutions:
  
  
  Check Configuration: Review the