How To Fix MI511 - Masking for screen sequence & and function code & already exists

MI511 - Overview

• Message type: E = Error

• Message class: MI - Customizing for the Material Master

• Message number: 511

• Message text: Masking for screen sequence & and function code & already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MI511 - Masking for screen sequence & and function code & already exists ?

  The SAP error message MI511 indicates that there is a conflict in the screen sequence and function code configuration in the SAP system. This typically occurs when you are trying to create or modify a screen sequence for a specific function code that already exists in the system.
  
  Cause:
  
  Duplicate Configuration: The error arises when you attempt to define a new screen sequence for a function code that has already been defined. This can happen if the same function code is being used in multiple places or if there is an attempt to create a duplicate entry.
  Incorrect Customization: If you are customizing the SAP system and inadvertently create a duplicate entry in the configuration settings, this error can occur.
  
  
  Solution:
  
  
  Check Existing Configurations: 
  
  Go to the relevant configuration transaction (usually in the IMG) where screen sequences are defined (e.g., transaction code OMI0 for MI).
  Look for the function code mentioned in the error message and