How To Fix EAPP_IN004 - Internal error in method &1 (class &2)

EAPP_IN004 - Overview

• Message type: E = Error

• Message class: EAPP_IN - Messages for IS-U Invoicing Applications

• Message number: 004

• Message text: Internal error in method &1 (class &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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EAPP_IN004 - Internal error in method &1 (class &2) ?

  The SAP error message EAPP_IN004 indicates an internal error in a method of a specific class. This type of error typically arises from issues within the application logic or system configuration. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Coding Issues: There may be a bug or an unhandled exception in the ABAP code of the method or class mentioned in the error message.
  Data Inconsistencies: The data being processed may be inconsistent or corrupt, leading to unexpected behavior in the method.
  Configuration Problems: Incorrect configuration settings in the system can lead to errors when certain methods are called.
  System Bugs: There may be known bugs in the version of SAP you are using that affect the specific method or class.
  Authorization Issues: Lack of proper authorizations for the user executing the method can also lead to internal errors.
  
  Solutions:
  
  Check the Error Log: Use transaction codes like SLG1 (Application Log)