Sales order shows out of stock even though there is available stock

Summary:

When I create a sales order, it shows as out of stock even though I have available stock.

What could be causing this? Please tell me how to resolve. .

This item is registered as a B2B ordered item, and I would like to ship it from my inventory as long as I have it in stock and the time fence setting date does not pass.

I have taken a screenshot of the settings in the attached file.

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