How To Fix EU333 - The program name is reserved or contains invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 333

• Message text: The program name is reserved or contains invalid characters

What causes this issue?

The program name you entered is either reserved or it contains
non-allowed characters.
Reserved program names are:
SAPL... for function groups
L... for includes in a function group
SAPDB... for logical database
MST... for table maintenance programs
%_C... for type groups
MENU... for menus
Non-allowed characters are:
. , ( ) ' " = - + _ ?
The (/) character is only permitted in program names to delimit the
namespace.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EU333 - The program name is reserved or contains invalid characters ?

  The SAP error message EU333 indicates that the program name you are trying to use is either reserved or contains invalid characters. This error typically occurs when you attempt to create or modify a program in the ABAP Workbench (SE80 or SE38) and the name does not conform to SAP's naming conventions.
  Causes:
  
  Reserved Names: Certain program names are reserved by SAP and cannot be used. This includes names that start with specific prefixes or are part of the SAP standard.
  Invalid Characters: The program name may contain characters that are not allowed. For example, program names should only consist of alphanumeric characters and underscores.
  Length Restrictions: The program name may exceed the maximum length allowed by SAP, which is typically 30 characters.
  Naming Conventions: The program name may not follow the required naming conventions, such as starting with a specific character or prefix.
  
  Solutions:
  
  Choose a Different Name: Select a new program name that does not