How To Fix 33078 - &1 contains parameter(s) without reference field or type

33078 - Overview

• Message type: E = Error

• Message class: 33 - Contexts

• Message number: 078

• Message text: &1 contains parameter(s) without reference field or type

What causes this issue?

Function module &V1& contains import or export parameters which are
related neither to an ABAP Dictionary field or to a type in the global
Type Pool.

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?

Enter a reference field or type for all import and export parameters of
the function module.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 33078 - &1 contains parameter(s) without reference field or type ?

  The SAP error message "33078 &1 contains parameter(s) without reference field or type" typically occurs during the development of ABAP programs or when working with function modules, methods, or other callable objects in SAP. This error indicates that there are parameters defined in a function or method that do not have a corresponding reference field or type defined, which can lead to issues in data handling and processing.
  
  Cause:
  
  Missing Reference Field/Type: The parameters in the function module or method are defined without a proper reference to a data type or structure. This can happen if the parameter is declared but not linked to a specific data type or structure.
  Incorrect Parameter Definition: The parameters may be incorrectly defined in the function module or method signature, leading to ambiguity in how they should be processed.
  Inconsistent Data Types: If the parameters are expected to reference a certain data type but do not, this can