How To Fix /PM0/3FC_MESSAGES020 - Cannot generate screen controller instance

/PM0/3FC_MESSAGES020 - Overview

• Message type: E = Error

• Message class: /PM0/3FC_MESSAGES -

• Message number: 020

• Message text: Cannot generate screen controller instance

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 /PM0/3FC_MESSAGES020 - Cannot generate screen controller instance ?

  The SAP error message /PM0/3FC_MESSAGES020 indicating "Cannot generate screen controller instance" typically arises in the context of SAP's UI technologies, particularly when working with the Floorplan Manager (FPM) or Web Dynpro applications. This error suggests that there is an issue with the instantiation of a screen controller, which is crucial for the proper functioning of the UI.
  Possible Causes:
  
  
  Configuration Issues: The screen controller may not be properly configured in the application or the FPM configuration.
  Missing or Incorrect Dependencies: Required components or dependencies for the screen controller may be missing or incorrectly defined.
  Authorization Issues: The user may not have the necessary authorizations to access the screen controller or the associated components.
  Code Errors: There may be errors in the ABAP code or in the implementation of the screen controller.
  Transport Issues: If the application was recently transported from one system to another, there may be inconsistencies or missing objects in the target system.
  
  Solutions:
  
  Check Configuration: