Error: You do not have the feature sslinstall

Symptoms

You receive an error similar to the following when installing an SSL certificate using the cPanel interface:

CONFIG_TEXT: Template::Exception:
[TYPE]=[undef]
[INFO]=[SSL::installed_hosts(HASH(0x2b7c268)) failed: You do not have the feature “sslinstall”.
]
[TEXT]=[]
at cpanel.pl line 1121.
cpanel::cpanel::cptt_exectag("/usr/local/cpanel/base/frontend/paper_lantern/ssl/install.htm"..., 1) called at cpanel.pl line 4489
cpanel::cpanel::run_standard_mode() called at cpanel.pl line 925
cpanel::cpanel::script("cpanel::cpanel", "./frontend/paper_lantern/ssl/install.html.tt") called at cpanel.pl line 323

Cause

The feature is not enabled for the user, or globally via Tweak Settings.

Resolution

1. Log in to WHM as the root user.
2. Navigate to Home / Packages / Feature Manager.
3. Under the Manage feature list section, select the feature list assigned to the cPanel account package and click Edit.
4. Search for SSL Host Installer and ensure the SSL Host Installer feature is enabled.
5. If the feature is not enabled, select the box next to the feature, then click Save.
6. Navigate to Home / Server Configuration / Tweak Settings.
7. Select the System tab or search for Allow cPanel users to install SSL Hosts and ensure the setting is enabled.
8. If the setting is not enabled, select the On option, then click Save.