file type error

Hi, Hazel 5 is great. Unfortunately there's one problem - Hazel won't process markdown files on my machine. Here's an example of the error message I get in the log, repeated hundreds of times.
2021-11-19 22:44:44.584 hazelworker[14061] File type not supported: {(
"net.daringfireball.markdown"
)}
Any idea what this is? These are regular MD files, nothing special.
2021-11-19 22:44:44.584 hazelworker[14061] File type not supported: {(
"net.daringfireball.markdown"
)}
Any idea what this is? These are regular MD files, nothing special.