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

QT302 - Overview

• 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.

QT302 - Details

• 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