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When install a package gregor with command “raco pkg install gregor”, encountered a non-stoppable errors ((WORKER RECEIVE MESSAGE ERROR: internal error: tried to deschedule a descheduled thread). What should I do to fix this error? By the way, it seems it is a library 6.11, can I use this library with version 8.2? OS version : os x 11.5.2 racket version : installed version 8.2 with brew “brew install racket”
What do you mean that it is a library 6.11?
That error is a bug in Racket, and you can report a bug on GitHub.
To fix the issue you should be able to run ‘raco setup gregor’
@samth Thanks for your comment. It seems the gregor package has been installed even there are errors message during installation. However, error message “loading code: version mismatch” was shown when execute “racket main.rkt -u db-username -n db-name -p db-password”. What should I do to fix this error?
What is main.rkt? Where is that from?
Did you use this previously with a different version of racket?
No. I didn’t
There are two directories (8.2 & 6.11) in the location “/usr/local/Cellar/minimal-racket/“;
You can probably fix things with raco make main.rkt