How To Fix EWA770 - Internal: Incorrect calling of method &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 770

• Message text: Internal: Incorrect calling of method &1 &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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 EWA770 - Internal: Incorrect calling of method &1 &2 ?

  The SAP error message EWA770 "Internal: Incorrect calling of method &1 &2" typically indicates that there is an issue with the way a method is being called within the SAP system. This error can arise from various underlying causes, including:
  Causes:
  
  Incorrect Method Parameters: The method may be called with incorrect or unexpected parameters.
  Version Mismatch: There may be a mismatch between the version of the software components or the method being called.
  Custom Code Issues: If there are custom developments or enhancements, they may not be correctly implemented or may conflict with standard SAP code.
  System Configuration: Configuration settings in the SAP system may not be set up correctly, leading to improper method calls.
  Transport Issues: If the method was recently transported from one system to another, it may not have been transported correctly.
  
  Solutions:
  
  Check Method Parameters: Review the method call and ensure that all parameters being passed are correct and in the expected format.
  Debugging: Use the ABAP debugger to trace the execution of the program and identify where the incorrect method call is occurring.
  Review Custom Code: If there are custom developments, review the code to ensure that it adheres to best practices and does not conflict with standard SAP functionality.
  Check System Versions: Ensure that all components of the SAP system are up to date and compatible with each other.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches.
  Re-transport Objects: If the issue arose after a transport, consider re-transporting the affected objects to ensure they are correctly implemented in the target system.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  Documentation: Review the official SAP documentation for the specific method being called to understand its expected behavior and requirements.
  Community Forums: Engage with the SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the EWA770 error in your SAP system.