How To Fix DS366 - Trees with names beginning with Y or Z are reserved for customers

SAP Error Message - Details

• Message type: E = Error

• Message class: DS - Messages for Editing Text Elements in ABAP Programs

• Message number: 366

• Message text: Trees with names 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DS366 - Trees with names beginning with Y or Z are reserved for customers ?

  The SAP error message DS366 indicates that you are trying to create or use a data structure (like a tree) with a name that begins with the letters "Y" or "Z". In SAP, names that start with these letters are reserved for customer-specific developments. This is a common practice in SAP to ensure that standard objects and customer-specific objects do not conflict with each other.
  
  Cause:
  
  The error occurs when a user attempts to create or access a tree structure (or other objects) with a name that starts with "Y" or "Z". This is a restriction imposed by SAP to prevent naming conflicts and to maintain the integrity of the standard SAP objects.
  
  
  Solution:
  
  
  Rename the Object: The simplest solution is to rename the tree or object you are trying to create or access. Choose a name that does not start with "Y" or "Z". You can use other letters or a combination of