How To Fix /PF1/MSG_CUST001 - Unknown error in method &1 of class &2

/PF1/MSG_CUST001 - Overview

• Message type: E = Error

• Message class: /PF1/MSG_CUST -

• Message number: 001

• Message text: Unknown error in method &1 of 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?

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 /PF1/MSG_CUST001 - Unknown error in method &1 of class &2 ?

  The SAP error message /PF1/MSG_CUST001 Unknown error in method &1 of class &2 typically indicates that there is an issue occurring within a custom class or method in the SAP system. This error is not very descriptive on its own, but it can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Custom Code Issues: The error is likely originating from custom ABAP code. There may be an unhandled exception or a logical error in the method specified in the error message.
  Data Issues: The input data being processed by the method may be invalid or not in the expected format, leading to runtime errors.
  Configuration Problems: There may be issues with the configuration settings that the method relies on, which could lead to unexpected behavior.
  System Environment: Changes in the system environment, such as updates or patches, may have affected the behavior of the custom code.
  
  Solutions:
  
  Debugging: Use