How To Fix QT302 - All entries for the new partial lot are lost after choosing a part. lot

SAP Error Message - Details

• Message type: E = Error

• Message class: QT - QM: Inspection during production (with inspection points)

• Message number: 302

• Message text: All entries for the new partial lot are lost after choosing a part. lot

What causes this issue?

If you choose a partial lot, the partial lot &V1& that was previously
created will be deleted automatically.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QT302 - All entries for the new partial lot are lost after choosing a part. lot ?

  The SAP error message QT302 indicates that all entries for the new partial lot are lost after choosing a partial lot. This typically occurs in the context of handling batch management or lot management in SAP, particularly when dealing with inventory management or production processes.
  Cause:
  
  Incomplete Lot Data: The system may not have all the necessary data for the new partial lot, leading to the loss of entries.
  Configuration Issues: There may be configuration issues in the material master or batch management settings that prevent the system from properly handling partial lots.
  User Input Errors: Incorrect or incomplete user input when selecting or creating a partial lot can lead to this error.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific transactions.
  
  Solution:
  
  Check Lot Data: Ensure that all required data for the partial lot is correctly entered. Verify that the lot number, quantity, and other relevant fields are filled out properly.
  Review Configuration: Check the configuration settings for batch management in the material master. Ensure that the settings for partial lots are correctly defined.
  Transaction Steps: Follow the correct steps in the transaction to create or select a partial lot. Make sure to adhere to the required sequence of actions.
  SAP Notes: Look for any relevant SAP Notes or patches that address this specific error. SAP frequently releases updates that fix known issues.
  Consult Documentation: Review the SAP documentation for the specific transaction you are using to ensure compliance with the expected process.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or SAP Help Desk for further assistance. They may have additional insights or solutions based on your specific system configuration.
  
  Related Information:
  
  Batch Management: Understanding how batch management works in SAP can help in troubleshooting issues related to lots and batches.
  Material Master: Familiarize yourself with the material master data, especially the batch management views, to ensure proper setup.
  Transaction Codes: Be aware of the transaction codes related to lot management (e.g., MSC1N for creating batches, MSC2N for changing batches).
  User Training: Ensure that users are adequately trained in handling lots and batches to minimize input errors.
  
  By following these steps and understanding the underlying causes, you should be able to resolve the QT302 error effectively.