How To Fix CPOC124 - Parameter &1: Enter a valid formal parameter type


CPOC124 - Overview

  • Message type: E = Error

  • Message class: CPOC - PP-PI-PMA: Process Operator Cockpit Messages

  • Message number: 124

  • Message text: Parameter &1: Enter a valid formal parameter type

  • Show details Hide details
  • What causes this issue?

    A dynamic function call has been defined in the process instruction.
    This function call does not work correctly for one of the following
    reasons:
    An invalid data type, such as structures or table types, has been used
    for the parameter.
    The data type defined in parameter &V1& of function module &V2& could
    not be found.

    System Response

    The system automatically uses type C (character), which is defined as
    the standard type.

    How to fix this error?

    <ZH>In case 1:</>
    RESET N1
    To prevent the error, proceed as follows:
    a) Check the data type of parameter &V1& in the <DS:TRAN.SE37>Function
    Builder</>.
    You can use the following data types:
    <ZH>In import, export, and changing parameters</>
    No type
    Data elements
    Basic ABAP types
    Reference to structure fields / DB fields
    <ZH>In table parameters</>
    No type
    Reference to structure fields / DB fields

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    b) Check in the <DS:TRAN.SE37>Function Builder</> whether parameter
    &V1&is <LS>mandatory</> or <LS>optional</>.
    If the parameter is <LS>optional</>, do NOT assign it to the process
    instruction.
    If the parameter is <LS>mandatory</>, you CANNOT use the function
    module.
    <ZH>In case 2:</>
    INCLUDE NA_SYSVERW OBJECT DOKU ID TX LANGUAGE EN
    <ZH>Note to system administration</>
    Check and, if necessary, correct the data type of formal parameter &V1&
    in function module &V2& in the <DS:TRAS.SE37>Function Builder</>.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message CPOC124 - Parameter &1: Enter a valid formal parameter type ?
    The SAP error message CPOC124, which states "Parameter &1: Enter a valid formal parameter type," typically occurs in the context of ABAP programming or when working with function modules, methods, or procedures in SAP. This error indicates that an invalid parameter type has been specified for a formal parameter in a function or method definition.
    
    Cause: The error can be caused by several factors: Invalid Parameter Type: The parameter type specified does not match any of the valid types recognized by SAP. This could be due to a typo or using a type that is not defined in the system. Incorrect Declaration: The parameter may not be declared correctly in the function module or method signature. Incompatibility: The parameter type may not be compatible with the expected type in the calling program or function.
    Solution: To resolve the CPOC124 error, you can take the following steps: Check Parameter Declaration: Review the function module or method definition where the error

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