Message type: E = Error
Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker
Message number: 308
Message text: - Charact. &3 &2: Define variable &1 first
The value of characteristic &V3& &V2& contains variable &V1&.
The variable has not been defined in the preceding process instruction.
However, you can only use a variable in a characteristic value if it
has been defined in a preceding process instruction for the same
control recipe destination or PI sheet.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Define variable &V1& in one of the preceding process instructions.
Error message extract from SAP system. Copyright SAP SE.
C0308
- - Charact. &3 &2: Define variable &1 first ?The SAP error message C0308 - "Charact. &3 &2: Define variable &1 first" typically occurs in ABAP programming when a variable is being used without being defined or declared properly. This error indicates that the program is trying to access a variable that has not been initialized or declared in the current scope.
Cause: Undeclared Variable: The variable &1 is being referenced in the code but has not been declared or defined prior to its usage. Scope Issues: The variable might be declared in a different scope (e.g., inside a different function or method) and is not accessible in the current context. Typographical Errors: There might be a typo in the variable name, leading to the system not recognizing it as a defined variable.
Solution: Declare the Variable: Ensure that the variable &1 is declared before it is used. You can declare it using the DATA statement in ABAP.DATA: variable_name TYPE data_type. Check Scope: If the variable
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