Can't save or export

I’m new to audacity. I just recorded a podcast and it won’t let me save it or export it. I did a test run and was able to save that perfectly so I thought I had the hang of it. When I try to save it In get
Could not save project perhaps c:\users\joy\document\audacity\Amanda is not writable or the disk is fulk
And when I try to export it I get
Audacity failed to read from a file in c:

Please help I’ve went through the other forums but nothing seems to work

Are you able to write any file from any program to c:\users\joy\document\audacity\Amanda