[TxMt] command R in LaTeX bundle fails

I moved my latex bundle out of the appropriate directory, and then back in, and now I can't get command R to run latex and give me a pdf in skim, as it once did. I get the error message below.

Can anyone give me a pointer?

thanks, Kyle

sh: --help: command not found /bin/sh: -interaction=nonstopmode: command not found A fatal error occured, log file is in Differences.log

Document '/Users/kbj/Papers/*Differences/Differences.pdf' not open in application The file /Users/kbj/Papers/*Differences/Differences.pdf does not exist. error number 256 opening viewer

Found 0 errors, and 0 warnings in 1 runs

-interaction=nonstopmode -file-line-error-style exited with status 127