After vitalpbx_authentication_codes Addon install:
Fatal error : Declaration of vitalpbx\addons\vitalpbx_authentication_codes::requireLicense() must be compatible with vitalpbx\addons\package::requireLicense(): bool in unknown on line 0
After vitalpbx_authentication_codes Addon install:
Fatal error : Declaration of vitalpbx\addons\vitalpbx_authentication_codes::requireLicense() must be compatible with vitalpbx\addons\package::requireLicense(): bool in unknown on line 0
I can confirm that this is a real issue with the Authentication Codes add-on.