How To Fix B1494 - Parameter & in the function module has no reference field/structure

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 494

• Message text: Parameter & in the function module has no reference field/structure

What causes this issue?

The parameter &v1& in the function module &v2& does not have a
reference field/reference structure to a Dictionary object. You are not
allowed to link parameters to a reference type.

How to fix this error?

Please link the parameter &v1& to a reference field or a reference
structure.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1494 - Parameter & in the function module has no reference field/structure ?

  The SAP error message B1494 indicates that a parameter in a function module does not have a reference field or structure associated with it. This typically occurs when the function module is expecting a reference to a field or structure that is not defined or is incorrectly specified.
  Cause:
  
  Missing Reference: The parameter in the function module is defined without a corresponding reference field or structure.
  Incorrect Data Type: The data type of the parameter may not match the expected type, leading to a lack of reference.
  Function Module Definition: The function module may have been incorrectly defined or modified, leading to inconsistencies in parameter definitions.
  Transport Issues: If the function module was transported from one system to another, there may have been issues during the transport that caused the reference to be lost.
  
  Solution:
  
  
  Check Function Module Definition:
  
  Go to transaction SE37 (Function Module) and enter the name of the function module that is causing the error.
  Check the parameters defined in the function module. Ensure that each parameter has a corresponding reference field or structure.
  
  
  
  Correct Parameter Types:
  
  Ensure that the data types of the parameters are correctly defined. If a parameter is supposed to reference a structure, make sure it is defined as such.
  
  
  
  Review Changes:
  
  If the function module was recently modified, review the changes to ensure that no necessary references were removed or altered.
  
  
  
  Transport Check:
  
  If the function module was transported, check the transport logs for any errors or warnings that might indicate issues with the transport.
  
  
  
  Recreate the Function Module:
  
  If the issue persists and cannot be resolved, consider recreating the function module from scratch, ensuring that all parameters are correctly defined with their references.
  
  
  
  Consult Documentation:
  
  Review any available documentation or SAP notes related to the function module for additional guidance or known issues.
  
  
  
  Related Information:
  
  Transaction Codes: SE37 (Function Module), SE80 (Object Navigator), SE11 (Data Dictionary).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module.
  Debugging: If you have access, you can debug the function module to see where the error occurs and gather more context about the parameters being passed.
  
  By following these steps, you should be able to identify and resolve the issue related to the B1494 error message in SAP.