chore: add default text for missing causes and solutions

data/002/0119/en_US.json

@@ -4,9 +4,9 @@
 			"name": "Unknown",
 			"message": "In order to use this service, a system\nupdate is required.\n\nTo perform a system update, select\nSystem Update from Other Settings\nin System Settings",
 			"short_description": "FPD version is invalid",
-			"long_description": "",
-			"short_solution": "",
-			"long_solution": "",
+			"long_description": "Unknown cause.",
+			"short_solution": "Unknown solution.",
+			"long_solution": "Unknown solution.",
 			"support_link": "https://preten.do/002-0119"
 		}
 	}