How To Fix WA452 - Receiver function module & can only be used for type linkages

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 452

• Message text: Receiver function module & can only be used for type linkages

What causes this issue?

The specified <DS:GLOS.3526B12EAFAB52B9E10000009B38F974>receiver
function module</> was implemented for using
<DS:GLOS.3526B0E3AFAB52B9E10000009B38F974>type linkages</>. It cannot
be used for <DS:GLOS.3526B0F4AFAB52B9E10000009B38F974>instance linkages
</>.

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 another function module.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA452 - Receiver function module & can only be used for type linkages ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WA452 Receiver function module & can only be used for type linkages
  
  Cause:
  This error occurs when you try to assign or use a receiver function module in a context where it is not allowed. Specifically, the receiver function module can only be used for type linkages in ALE/IDoc processing.
  
  In ALE (Application Link Enabling) or IDoc (Intermediate Document) processing, a receiver function module is a function module that processes incoming IDocs.
  The error indicates that the function module you are trying to assign or use as a receiver is being used in a context other than a type linkage.
  Type linkage means the function module is linked to a specific IDoc type (basic type and message type).
  If you try to assign a receiver function module to a partner profile or message type where only a message type linkage or other linkage is expected, this error will occur.
  
  
  When does this happen?
  
  When configuring partner profiles (transaction WE20), if you assign a receiver function module incorrectly.
  When setting up inbound processing for IDocs, if the function module is assigned to the wrong linkage type.
  When customizing or developing ALE/IDoc interfaces and the linkage between message type and function module is not consistent.
  
  
  Solution:
  
  
  Check the linkage type:
  
  Go to transaction WE57 (Assign function modules to IDoc types).
  Verify that the receiver function module is assigned to the correct IDoc type (basic type and message type).
  Receiver function modules must be assigned to type linkages, not message type linkages.
  
  
  
  Correct the assignment in partner profiles:
  
  Use transaction WE20.
  For the inbound parameters, ensure that the function module is assigned correctly.
  If you want to use a receiver function module, assign it via the type linkage (WE57), not directly in the partner profile.
  
  
  
  Adjust your custom developments:
  
  If you have custom function modules, ensure they are designed and registered properly as receiver function modules.
  Make sure the function module signature and linkage are consistent with SAP standards.
  
  
  
  Re-generate or re-assign the linkage:
  
  Sometimes, re-assigning the function module in WE57 and regenerating the linkage can solve the problem.
  
  
  
  
  Related Information:
  
  Transaction WE57: Assign function modules to IDoc types (type linkage).
  Transaction WE20: Partner profiles configuration.
  IDoc processing: Receiver function modules are called when an IDoc of a certain type is received.
  Function module type: Receiver function modules must have the correct interface (parameters) to process IDocs.
  SAP Note or documentation on ALE/IDoc inbound processing.
  
  
  Summary:
  
  The error WA452 means you are trying to use a receiver function module in a context other than a type linkage.
  Receiver function modules must be assigned via type linkage (WE57), not directly in partner profiles or message type linkages.
  Correct the assignment in WE57 and ensure your partner profiles and custom developments follow this rule.
  
  
  If you need further help, please provide the exact scenario or configuration steps you are performing.