IO-1914 Inventory bugfixes.

client/src/translations/en_us/common.json

@@ -147,6 +147,7 @@
 			"errors": {
 				"creating": "Error adding bill.  {{error}}",
 				"deleting": "Error deleting bill. {{error}}",
+				"existinginventoryline": "This bill cannot be deleted as it is tied to items in inventory.",
 				"exporting": "Error exporting payable(s). {{error}}",
 				"exporting-partner": "Unable to connect to ImEX Partner. Please ensure it is running and logged in.",
 				"invalidro": "Not a valid RO.",

client/src/translations/es/common.json

@@ -147,6 +147,7 @@
 			"errors": {
 				"creating": "",
 				"deleting": "",
+				"existinginventoryline": "",
 				"exporting": "",
 				"exporting-partner": "",
 				"invalidro": "",

client/src/translations/fr/common.json

@@ -147,6 +147,7 @@
 			"errors": {
 				"creating": "",
 				"deleting": "",
+				"existinginventoryline": "",
 				"exporting": "",
 				"exporting-partner": "",
 				"invalidro": "",