fix error crash with vault if server error

client/homebrew/pages/errorPage/errors/errorIndex.js

@@ -41,7 +41,7 @@ const errorIndex = (props)=>{
 			## We can't find this brew in Google Drive!
 			
 			This file was saved on Google Drive, but this link doesn't work anymore.
-			${props.brew.authors?.length > 0
+			${props?.brew?.authors?.length > 0
 		? `Note that this brew belongs to the Homebrewery account **${props.brew.authors[0]}**,
 				${props.brew.account
 		? `which is

client/homebrew/pages/vaultPage/vaultPage.jsx

@@ -74,8 +74,11 @@ const VaultPage = (props)=>{
 				updateStateWithBrews([], 1);
 			});
 
-		if(response.ok)
+		if(response?.ok)
 			updateStateWithBrews(response.body.brews, page);
+		else {
+			console.log('response: ', response);
+		}
 	};
 
 	const loadTotal = async (title, author, v3, legacy)=>{
@@ -364,13 +367,23 @@ const VaultPage = (props)=>{
 		}
 
 		if(error) {
-			const errorText = ErrorIndex()[error.HBErrorCode.toString()] || '';
+			if(error.HBErrorCode === undefined) { 
+				return (
+					<div className='foundBrews noBrews'>
+						<h3>{error.toString()}</h3>
+					</div>
+				)
+			} else {
 
-			return (
-				<div className='foundBrews noBrews'>
+				const errorText = ErrorIndex()[error.HBErrorCode.toString()] || '';
+
+				return (
+					<div className='foundBrews noBrews'>
 					<h3>Error: {errorText}</h3>
-				</div>
-			);
+					</div>
+				);
+			}
+
 		}
 
 		if(!brewCollection) {