Error in Plesk: /usr/sbin/nginx: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory.

Symptoms

• The following error message persists on the home page in Plesk:

  Error: New configuration files for the Apache web server were not created due to the errors in configuration templates: /usr/sbin/nginx: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory.

• Plesk was updated recently.

Cause

openssl11-libs package is missing on the server due to interrupted Plesk update.

Resolution

1. Connect to the server via SSH.

2. Install the missing package:

   # yum install openssl11-libs

3. Re-run Plesk installer to make sure that all the required packages were updated:

   # plesk installer