I am getting problem Value is not applied during RFQ creation

The mistake DH864: Value is not applied during RFQ instauration occurs owed to missing oregon incorrect supplier code data. To hole this:
1. Ensure each mandatory fields successful the supplier code are filled correctly.
2. Check the supplier maestro information (XK03) for inconsistencies.
3. Verify that the state is assigned to the close calculation procedure.
4. Ensure the institution codification and purchasing enactment assignments are correct.

For elaborate troubleshooting, notation to this SAP guide: [SAP RFQ Configuration & Troubleshooting] (https://help.sap.com/)