sudo apt-get remove nginx-core && sudo apt-get install nginx-full
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'nginx-core' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up nginx-full (1.14.0-0ubuntu1.7) ...
Job for nginx.service failed because the control process exited with error code.
See "systemctl status nginx.service" and "journalctl -xe" for details.
invoke-rc.d: initscript nginx, action "start" failed.
● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Tue 2020-01-21 19:06:41 CET; 5ms ago
     Docs: man:nginx(8)
  Process: 6964 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE)
 Main PID: 13451 (code=exited, status=0/SUCCESS)

Jan 21 19:06:41 PlasticPlays.com systemd[1]: Starting A high performance web server and a reverse proxy server...
Jan 21 19:06:41 PlasticPlays.com nginx[6964]: nginx: [emerg] dlopen() "/usr/share/nginx/modules/ngx_http_auth_pam_module.so" failed (/usr/share/nginx/modules/ngx_http_auth_pam_module.so: cannot open shared object file: No such file or directory) in /etc/nginx/modules-enabled/50-mod-http-auth-pam.conf:1
Jan 21 19:06:41 PlasticPlays.com nginx[6964]: nginx: configuration file /etc/nginx/nginx.conf test failed
Jan 21 19:06:41 PlasticPlays.com systemd[1]: nginx.service: Control process exited, code=exited status=1
Jan 21 19:06:41 PlasticPlays.com systemd[1]: nginx.service: Failed with result 'exit-code'.
Jan 21 19:06:41 PlasticPlays.com systemd[1]: Failed to start A high performance web server and a reverse proxy server.
dpkg: error processing package nginx-full (--configure):
 installed nginx-full package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 nginx-full
E: Sub-process /usr/bin/dpkg returned an error code (1)