How To Fix C0310 - - Charact.& &: Choose a unique variable name

C0310 - Overview

• Message type: E = Error

• Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker

• Message number: 310

• Message text: - Charact.& &: Choose a unique variable name

What causes this issue?

In the process instruction, characteristic &V1& &V2& defines a variable
to which variable name &V3& is assigned as a value. This variable
name is already being used for another variable.
However, a variable name may only be used once in the process
instructions for a control recipe destination or a PI sheet.

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?

Assign a variable name to characteristic &V1& &V2& that is not being
used.

Error message extract from SAP system. Copyright SAP SE.

C0310 - Details

• The SAP error message C0310 - "Charact.& &: Choose a unique variable name" typically occurs when there is an issue with variable naming in a program or report. This error indicates that the variable name you are trying to use is either not unique or contains invalid characters.
  
  Cause:
  
  Non-Unique Variable Name: The variable name you are trying to define already exists in the same scope or context.
  Invalid Characters: The variable name may contain special characters or spaces that are not allowed in SAP ABAP variable naming conventions.
  Naming Conflicts: There may be a conflict with reserved keywords or system-defined variables.
  
  
  Solution:
  
  
  Choose a Unique Name: Ensure that the variable name you are trying to use is unique within the scope of your program or report. You can do this by:
  
  Prefixing the variable name with a specific identifier (e.g., your initials or project code).
  Using a naming convention that reduces the likelihood of conflicts (e.g., using