SAP Message QA253 - The preparatory steps for the quality inspection could not be completed

Diagnosis
An inspection with reference to a task list or a material specificationis available for this item. Inspection specifications have beenassigned, but the sample size not yet calculated. This may be due tothe following:

  • The quality level for the lot is currently being processed by a
  • different user.
    • The control chart is locked.
    • System Response
      This results in the following:

      • The inspection specifications cannot be evaluated.

      • A skip-lot inspection is not possible.

      • Both the sample-drawing instruction and the inspection instruction
      • cannot be printed out immediately.

        Procedure
        Activate the sample calculation function subsequently in the 'Change inspection lot' transaction.