Satellite will not provide entitlement to registered clients

Issue

The customer is unable to entitle hosts with an activation key.

Errors from the host rhsm.log:

2022-02-09 13:34:06,392 [ERROR] subscription-manager:1725:MainThread @identity.py:145 - Reload of consumer identity cert /etc/pki/consumer/cert.pem raised an exception with msg: [Errno 2] No such file or directory: '/etc/pki/consumer/key.pem'
2022-02-09 13:35:16,574 [ERROR] subscription-manager:2005:MainThread @identity.py:145 - Reload of consumer identity cert /etc/pki/consumer/cert.pem raised an exception with msg: [Errno 2] No such file or directory: '/etc/pki/consumer/key.pem'
2022-02-09 13:35:16,582 [INFO] subscription-manager:2005:MainThread @managercli.py:452 - X-Correlation-ID: d2975f870ef843d282aa1898699f5837
2022-02-09 13:35:16,582 [INFO] subscription-manager:2005:MainThread @managercli.py:341 - Client Versions: {'subscription-manager': '1.20.11-1.el7_5'}