How To Fix C0224 - - Char. & & has not been defined for val. assigment using variables

C0224 - Overview

• Message type: E = Error

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

• Message number: 224

• Message text: - Char. & & has not been defined for val. assigment using variables

What causes this issue?

The process instruction is of type "process data request".
The following value assignment types and others have been defined to
assign values to the requested message characteristics in this process
instruction:
manual value assignment in the PI sheet
(see, for example, characteristic &V1& &V2&)
value assignment in the background using a variable
(see characteristics PPPI_DEFAULT_VARIABLE and PPPI_EXTERNAL_VALUE)
However, you cannot use both value assignment types in one process
instruction.

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?

Use only one of two possible value assignment types in the process
instruction.

Error message extract from SAP system. Copyright SAP SE.

C0224 - Details

• The SAP error message C0224 - "Char. & & has not been defined for val. assignment" typically occurs in the context of configuration or master data management, particularly when dealing with characteristics in classification or variant configuration.
  
  Cause:
  This error indicates that a characteristic (referred to by the placeholders & &) has not been defined for value assignment in the context where it is being used. This can happen for several reasons:
  
  Missing Characteristic Definition: The characteristic you are trying to use has not been created or activated in the system.
  Incorrect Configuration: The characteristic may not be assigned to the relevant class or object type.
  Value Assignment Issues: The characteristic may not be set up to allow value assignments in the context you are working with (e.g., it might be a characteristic that is not intended for value assignment).
  Data Inconsistencies: There may be inconsistencies in the data or configuration that prevent the system from