Fix bug where app crashes when any error code is returned from compet…

…ition creation tba edge function

app/src/components/modals/AddCompetitionModal.js

@@ -15,6 +15,7 @@ import StandardModal from './StandardModal';
 import {supabase} from '../../lib/supabase';
 import SelectMenu from '../form/SelectMenu';
 import {getLighterColor} from '../../lib/ColorReadability';
+import {FunctionsHttpError} from '@supabase/supabase-js';
 
 function Spacer() {
   return <View style={{height: '2%'}} />;
@@ -71,7 +72,15 @@ function AddCompetitionModal({visible, setVisible, onRefresh}) {
       },
     );
     if (fetchTbaEventError) {
-      Alert.alert('Error', await fetchTbaEventError.context.json());
+      if (fetchTbaEventError instanceof FunctionsHttpError) {
+        const errorMessage = await fetchTbaEventError.context.json();
+        Alert.alert('Error', errorMessage.message);
+      } else {
+        Alert.alert(
+          'Error',
+          'An unknown error has occurred. Try again or contact support.',
+        );
+      }
       return false;
     }
     const {data: eventData, error: eventError} = await supabase