How To Fix EMDUS307 - Unexpected number of output parameters from MDUS request &1 item &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EMDUS -

• Message number: 307

• Message text: Unexpected number of output parameters from MDUS request &1 item &2

What causes this issue?

The number of output parameters from at least one item of the MDUS
request is different than expected. The system compares the received
data from the confirmation of the MDUS request with the data that it
sent to the MDUS system. If, in the confirmation, the number of output
parameters from at least one item differs from the expected number of
output parameters in the database, the system terminates processing for
this MDUS request.

System Response

The received data from the confirmation of the MDUS request is not saved
in the database. The MDUS request is given the status <ZK>04 Error
During Confirmation Processing</> (see <DS:DE.E_MDUSRQSTATUS>Status of
MDUS Request</>). The billing order is given the MDUS status <ZK>Request
Confirmed with Errors</> (see <DS:DE.E_MDUSRQSTAT>MDUS Status of Billing
Order</>).

How to fix this error?

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

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 EMDUS307 - Unexpected number of output parameters from MDUS request &1 item &2 ?

  The SAP error message EMDUS307 indicates that there is an unexpected number of output parameters returned from a MDUS (Master Data Update Service) request. This error typically occurs in the context of data processing or integration scenarios where the expected output does not match the actual output received from a service or function module.
  Cause:
  
  Mismatch in Configuration: The configuration of the MDUS request may not align with the expected output parameters. This can happen if the service was modified or if there are discrepancies in the data model.
  Changes in Data Structure: If there have been recent changes to the data structure or the underlying database tables, the output parameters may have changed, leading to this error.
  Incorrect Mapping: If the mapping of input to output parameters is incorrect, it can lead to an unexpected number of parameters being returned.
  Versioning Issues: If different versions of the service are being used, it may lead to inconsistencies in the expected output.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the MDUS request to ensure that they are set up correctly and that the expected output parameters are defined properly.
  Review Data Model Changes: If there have been recent changes to the data model, ensure that the MDUS request is updated accordingly to reflect these changes.
  Validate Mapping: Check the mapping of input and output parameters to ensure that they are correctly aligned. Make adjustments as necessary.
  Debugging: Use debugging tools in SAP to trace the execution of the MDUS request and identify where the mismatch occurs. This can help pinpoint the exact cause of the error.
  Consult Documentation: Refer to SAP documentation or notes related to the MDUS service for any known issues or updates that may address this error.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator) or SE37 (Function Module) to analyze the MDUS request and its parameters.
  SAP Notes: Search for SAP Notes related to MDUS and error EMDUS307 in the SAP Support Portal for any patches or updates that may resolve the issue.
  Testing: Conduct tests with different scenarios to see if the error is consistent or if it occurs under specific conditions.
  
  By following these steps, you should be able to diagnose and resolve the EMDUS307 error effectively.