C:\Users\Documents\Perl\webapp\bin>plackup -p 5001 --ssl --ssl-key-file=C:\Users\Documents\Private-Public-key-cert\Private0504.key --ssl-cert-file=C:\Users\Documents\Private-Public-key-cert\Cert.crt --ca_file=C:\Users\Documents\Private-Public-key-cert\cacerts --ssl_fingerprint=sha1$B151CE74BC550FF4FF173266B906F0FCF45FFCEB app.psgi [webapp:9108] core @2021-05-05 21:36:01> Built config from files: C:\Users\Documents\Perl\webapp\config.yml C:\Users\Documents\Perl\webapp\environments\development.yml in (eval 272) l. 910 failed to listen to port 5001: at C:/Strawberry/perl/site/lib/HTTP/Server/PSGI.pm line 103..