Error with STAR

I am trying to map fastq reads for a C elegans paired-end 150bp run using the RNA star tool. As soon as I click start I get the following error message:
Encountered an unhandled exception while caching job destination dynamic rule.

What am I doing wrong here? I should note that I was able to run HISAT2 on the same data and it worked fine.

Here is what I put in: