Unexpected error writing metadata to file

First thing to note here is that the process is not complaining about your hard disk space. It is complaining about the RAM memory that is not enough remaining for completing the task; writing the metadata to file. Sometimes when there is not enough space, your processes are terminated with this error message indicating that you need to restart your machine to clear up your RAM.

Also, from another thread[^] the problem can be that the file size is larger than 2GB, CLR has a limit of size for every object to be 2GB. If RAM is not the problem, then make sure you are not topping off the limit!

I would suggest, that you restart your machine and execute this at that time; when it will have enough memory to execute any kind of process. Also, make sure you are not having other applications which consume a lot of RAM memory. You can also try to kill unnecessary processes from Task manager and then re-try executing this command.