Error when provisioning server; ERF12-5287 [ProxyAPI::ProxyException]: Unable to create realm entry ([RestClient::BadRequest]: 400 Bad Request) for proxy

Problem: When provisioning a Rocky 8 server from Foreman I receive the following error:

Failed to create decdc01tlgrl001.ipa.bcdtravel.local’s realm entry: ERF12-5287 [ProxyAPI::ProxyException]: Unable to create realm entry ([RestClient::BadRequest]: 400 Bad Request) for proxy https://decdc01plcfg001.ipa.bcdtravel.local:9090/realm/IPA.BCDTRAVEL.LOCAL

Expected outcome: Server is provisioned

Foreman and Proxy versions: Foreman 3.1.3 & Katello 4.3.1

Foreman and Proxy plugin versions:
foreman-tasks 5.2.3
foreman_ansible 7.0.4
foreman_bootdisk 19.0.3
foreman_cockpit 2.0.3
foreman_discovery 19.0.1
foreman_docker 5.0.0
foreman_hooks 0.3.17
foreman_opensca 5.1.1
foreman_puppet 2.0.7
foreman_remote_execution 5.0.6
foreman_snapshot_management 2.0.1
katello 4.3.1

Distribution and version: CentOS Linux release 7.9.2009

Other relevant data:
I see the following in /var/log/foreman-proxy/proxy.log

2022-06-08T14:31:40 c5f3c6d8 [E] Failed to initailize credentials cache from keytab: krb5_get_init_creds_keytab: Preauthentication failed
2022-06-08T14:31:40 c5f3c6d8 [W] Error details for Failed to initailize credentials cache from keytab: krb5_get_init_creds_keytab: Preauthentication failed: : Failed to initailize credentials cache from keytab: krb5_get_init_creds_keytab: Preauthentication failed

Found a solution