How To Fix TD223 - Forms beginning with 'Y' or 'Z' are reserved for customers

TD223 - Overview

• Message type: E = Error

• Message class: TD - SAPscript: Text editor, composer, forms, styles and fonts

• Message number: 223

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

What causes this issue?

As a customer, you have tried to create a style whose name does not
begin with 'Y' or 'Z'.
As an SAP employee, you have tried to create a style whose name begins
with 'Y' or 'Z'.

System Response

The initial letters 'Y' and 'Z' are reserved for customers, all others
for SAP.

How to fix this error?

Select a name with a valid initial letter.

Error message extract from SAP system. Copyright SAP SE.

TD223 - Details

• The SAP error message TD223 indicates that you are trying to access or use a form that begins with 'Y' or 'Z', which are reserved for customer-specific developments. This is a common restriction in SAP systems to ensure that standard forms are not overwritten or modified inappropriately.
  
  Cause:
  
  Form Naming Convention: In SAP, forms that start with 'Y' or 'Z' are typically reserved for customer-specific modifications or developments. This is a naming convention to differentiate between standard SAP forms and those created or modified by customers.
  Accessing Standard Forms: If you are trying to access a form that is not properly defined or does not exist in the system, you may encounter this error.
  Authorization Issues: Sometimes, the error may also arise due to insufficient authorizations to access or modify the specified form.
  
  
  Solution:
  
  Check Form Name: Ensure that you are using the correct form name. If you are trying to access a standard SAP form,