How To Fix EMDUS312 - Unexpected number of items from MDUS request &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EMDUS -

• Message number: 312

• Message text: Unexpected number of items from MDUS request &1

What causes this issue?

The amount of item data for the MDUS request is different to the amount
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 the
amount of item data in the confirmation is different to the amount
expected n 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 status <ZK>04 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 EMDUS312 - Unexpected number of items from MDUS request &1 ?

  The SAP error message EMDUS312, which states "Unexpected number of items from MDUS request &1," typically occurs in the context of the Material Data Update Service (MDUS) in SAP. This error indicates that the system received an unexpected number of items in response to a request made to the MDUS.
  Cause:
  
  Data Mismatch: The number of items returned by the MDUS does not match the expected number. This could be due to issues in the data being processed or sent to the MDUS.
  Configuration Issues: There may be configuration problems in the MDUS settings or in the way the request is structured.
  Network Issues: Temporary network issues could lead to incomplete data being sent or received.
  System Bugs: There may be bugs in the SAP system or in the MDUS component that lead to this error.
  
  Solution:
  
  Check the Request: Review the request sent to the MDUS to ensure that it is correctly formatted and that the expected number of items is specified correctly.
  Validate Data: Ensure that the data being sent to the MDUS is valid and complete. Check for any inconsistencies or missing information.
  Review Configuration: Check the configuration settings for the MDUS in your SAP system. Ensure that all settings are correct and that there are no discrepancies.
  Monitor Network: If network issues are suspected, monitor the network connection and ensure that it is stable and reliable.
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SLG1 (Application Log) to check logs for more details.
  Documentation: Review SAP documentation related to MDUS for any specific guidelines or best practices.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the EMDUS312 error and implement a solution to resolve it.