Unable to create file on GCP file store

Question

I got an error message as No space left on device when trying to create a file on GCP file store mount point.

1. I checked there is enough space and inodes available on GCP file store.
2. I can be able to create files and folders on same mount point
3. I got error message specific to file name
4. I also try to find open file using lsof command on same mount point but there is no such deleted