How To Fix C0318 - - Charact.& &: Assign name of existing function

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 318

• Message text: - Charact.& &: Assign name of existing function

What causes this issue?

The process instruction is of type "dynamic function call".
It contains characteristic &V1& &V2& that defines the function module
to be called. Function name &V3& is assigned to the characteristic.
Function &V3& does not exist in the function library.

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 an existing function module to characteristic &V1& &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C0318 - - Charact.& &: Assign name of existing function ?

  The SAP error message C0318 typically indicates that there is an issue with the naming of a function module or a method in your ABAP code. The error message suggests that the name you are trying to use for a function module or method is not valid because it contains invalid characters or does not conform to the naming conventions required by SAP.
  Cause:
  
  Invalid Characters: The name you are trying to assign to the function module or method contains invalid characters such as special characters (e.g., &, %, $, etc.) or spaces.
  Naming Conventions: SAP has specific naming conventions for function modules and methods. For example, names must start with a letter and can only contain letters, numbers, and underscores.
  Existing Function Name: The name you are trying to use may already be assigned to an existing function module or method, which can lead to conflicts.
  
  Solution:
  
  Check Naming: Ensure that the name you are trying to assign follows SAP's naming conventions:
  
  Start with a letter (A-Z).
  Use only letters (A-Z), numbers (0-9), and underscores (_).
  Avoid using special characters and spaces.
  
  
  Rename Function/Method: If the name is invalid, rename the function module or method to a valid name that adheres to the conventions.
  Check for Existing Names: Use transaction SE37 (for function modules) or SE80 (for classes and methods) to check if the name you want to use is already taken. If it is, choose a different name.
  Use Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), or SE80 (Object Navigator) to manage and check existing objects.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and best practices for ABAP development.
  ABAP Development Guidelines: Familiarize yourself with the ABAP programming guidelines provided by SAP, which include naming conventions and coding standards.
  Error Handling: Implement error handling in your ABAP code to catch and manage such errors gracefully.
  
  By following these steps, you should be able to resolve the C0318 error and successfully assign a valid name to your function module or method.