How To Fix FL704 - Function groups beginning with 'Y' or 'Z' are reserved for customers

FL704 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 704

• Message text: Function groups beginning with 'Y' or 'Z' are reserved for customers

Self-Explanatory Message

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FL704 - Details

• The SAP error message FL704 indicates that you are trying to create or modify a function group that begins with 'Y' or 'Z'. In SAP, function groups that start with these letters are reserved for customer-specific developments. This is a standard practice in SAP to ensure that customer modifications do not interfere with standard SAP functionality.
  
  Cause:
  
  Function Group Naming Convention: SAP reserves function groups starting with 'Y' or 'Z' for customer use. If you attempt to create or modify a function group with a name that starts with these letters, you will encounter this error.
  System Configuration: The system is configured to prevent the creation of function groups that do not adhere to the naming conventions.
  
  
  Solution:
  
  Use Appropriate Naming: If you are trying to create a new function group, ensure that the name you are using starts with 'Y' or 'Z'. For example, you can name your function group Y_MY_FUNCTION_GROUP.
  Check Existing Function Groups: