Permission Error When Running C Code in VSCode on Ubuntu: How to Resolve?

I am using ubuntu. My laptop has two storage. One is the SSD, and the hard disk. Installing Ubuntu on my SSD and using the harddisk as my external storage. When I put the C code on the hard disk and run VScode, permission denied is written. But when I run the C code on SSD then the code runs. What can I do in this situation? Please help me solve this problem.

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When I put the C code on the hard disk and run VScode, permission denied is written. But when I run the C code on SSD then the code runs.