Assistant is unable to access uploaded files

I’ve been successfully using GPT’s message assistant feature for the past month without any issues in Make . My process involves downloading a file, uploading it to GPT, storing it in a vector database, and then passing that vector store to the message assistant I created. Everything was working perfectly until yesterday, when I started getting the response: “unable to load the file.” Now, the assistant is unable to process the file. Can anyone help me troubleshoot this issue?

Here is the detail of my solution

Can anybody help me with that