How To Fix RLB116 - Libraries beginning with Y or Z are reserved for customers

RLB116 - Overview

• Message type: E = Error

• Message class: RLB - Reuse Library

• Message number: 116

• Message text: Libraries beginning with Y or Z are reserved for customers

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 RLB116 - Libraries beginning with Y or Z are reserved for customers ?

  The SAP error message RLB116 indicates that you are trying to create or use a library (or a function module, program, etc.) that begins with the letters "Y" or "Z". In SAP, objects that start with these letters are reserved for customer-specific developments. This is a standard practice to differentiate between SAP standard objects and custom objects created by customers.
  
  Cause:
  The error occurs when:
  
  You attempt to create a new object (like a function module, program, or class) that starts with "Y" or "Z" but the naming convention is not followed correctly.
  You might be trying to access or modify an object that is not allowed due to naming restrictions.
  
  
  Solution:
  
  
  Check Naming Convention: Ensure that the object you are trying to create or modify adheres to the naming conventions. If you are creating a custom object, it should start with "Y" or "Z".
  
  
  Use Transaction SE80: If you are using the Object Navigator (SE80), make