How To Fix PU803 - Identifier "&" invalid for naming convention

PU803 - Overview

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 803

• Message text: Identifier "&" invalid for naming convention

What causes this issue?

A function module (from function group STRF) was called with invalid
value &V1& for the parameter NAMECONV.

System Response

Execution of the program was terminated at this point.

How to fix this error?

Contact your SAP system administrator.

Error message extract from SAP system. Copyright SAP SE.

PU803 - Details

• The SAP error message PU803, which states "Identifier '&' invalid for naming convention," typically occurs when there is an issue with the naming conventions used in your SAP system, particularly in relation to identifiers such as variable names, field names, or other naming elements.
  
  Cause:
  
  Invalid Characters: The identifier contains characters that are not allowed by SAP's naming conventions. For example, special characters, spaces, or starting with a number.
  Length Restrictions: The identifier may exceed the maximum length allowed for names in SAP (usually 30 characters).
  Reserved Keywords: The identifier may be using a reserved keyword or name that is not permitted.
  Incorrect Format: The identifier may not follow the required format, such as starting with a letter or underscore.
  
  
  Solution:
  
  
  Check Naming Conventions: Ensure that the identifier adheres to SAP's naming conventions:
  
  Must start with a letter or underscore.
  Can only contain letters, numbers, and underscores.
  Should not exceed the maximum length (usually 30 characters).
  Avoid using reserved keywords.
  
  
  
  Modify the