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Message type: E = Error
Message class: QST - Stability Study
Message number: 020
Message text: Stability study & not found for operation "Completion of Initial Test"
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QST020
- Stability study & not found for operation "Completion of Initial Test" ?The SAP error message QST020, which indicates that a stability study is not found for the operation "Completion of Initial Test," typically arises in the context of Quality Management (QM) and stability studies in SAP. This error can occur during the execution of a stability study or when trying to complete an initial test for a product that requires such a study.
Cause:
- Missing Stability Study: The primary cause of this error is that there is no stability study defined for the material or batch in question. Stability studies are essential for ensuring that products maintain their quality over time.
- Incorrect Configuration: The configuration settings for the stability study may not be set up correctly in the system.
- Missing Master Data: The material master or quality management master data may not be properly maintained, leading to the system not being able to find the relevant stability study.
- Incorrect Operation Sequence: The operation sequence may not be correctly defined, or the system may not be able to link the operation to the stability study.
Solution:
Check Stability Study Definition:
- Navigate to the stability study configuration in SAP (usually found in the Quality Management module).
- Ensure that a stability study is defined for the material in question and that it is active.
Review Material Master Data:
- Go to the material master record and check the Quality Management views.
- Ensure that all necessary fields related to stability studies are filled out correctly.
Verify Operation Sequence:
- Check the routing or operation sequence for the product to ensure that it includes the necessary steps for the stability study.
- Make sure that the operation "Completion of Initial Test" is correctly linked to the stability study.
Consult Documentation:
- Review SAP documentation or help files related to stability studies and quality management to ensure that all steps are being followed correctly.
User Authorization:
- Ensure that the user executing the operation has the necessary authorizations to access and execute stability studies.
Contact SAP Support:
- If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
Related Information:
QA32
(for quality inspection) and QST01
(for creating stability studies).By following these steps, you should be able to identify the root cause of the QST020 error and implement the necessary solutions to resolve it.
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