Discourse droplet unreachable on 80,443 ports after installation on Ubuntu 20.04

[Pro_Remont]

@pfaffman

tail /var/discourse/shared/standalone/log/var-log/nginx/error.log

its my tails outpus:

2022/03/07 13:59:32 [emerg] 9889#9889: cannot load certificate "/shared/ssl/proremont.io.cer": PEM_read_bio_X509_AUX() failed (SSL: error:0909006C:PEM routines:get_name:no start line:Expecting: TRUSTED CERTIFICATE)
2022/03/07 13:59:33 [emerg] 9892#9892: cannot load certificate "/shared/ssl/proremont.io.cer": PEM_read_bio_X509_AUX() failed (SSL: error:0909006C:PEM routines:get_name:no start line:Expecting: TRUSTED CERTIFICATE)
2022/03/07 13:59:34 [emerg] 9894#9894: cannot load certificate "/shared/ssl/proremont.io.cer": PEM_read_bio_X509_AUX() failed (SSL: error:0909006C:PEM routines:get_name:no start line:Expecting: TRUSTED CERTIFICATE)