Missing language strings

[volodymyrdovhan]

Hello,
I found a few missing language strings in the language file:

✗ Missing required string (string_key: nullexception, component: mod_cmi5launch, context: Error message for custom exception class nullException)
✗ Missing required string (string_key: error_nullexception, component: mod_cmi5launch, context: Error message for custom exception class nullException)
✗ Missing required string (string_key: null, component: mod_cmi5launch, context: Error message for custom exception class nullException)
✗ Missing used string (string_key: masteryoverride, file: mod/cmi5launch/settings.php, line: 271, component: mod_cmi5launch)
✗ Missing used string (string_key: masteryoverridedesc, file: mod/cmi5launch/settings.php, line: 271, component: mod_cmi5launch)
✗ Missing used string (string_key: nocmi5launchs, file: mod/cmi5launch/index.php, line: 55, component: mod_cmi5launch)
✗ Missing used string (string_key: cmi5launchtokenuncaughtterror, file: mod/cmi5launch/classes/local/cmi5_connectors.php, line: 372, component: mod_cmi5launch)