Refactor error name.

src/app/_helpers/sync.ts

@@ -16,13 +16,13 @@ export function updateSyncable(
       }
       try {
         target[path[0]] = c.v;
-      } catch (e) {
+      } catch (error) {
         if (
-          !e.message.includes(
+          !error.message.includes(
             'Cannot assign an object that already belongs to an Automerge document.'
           )
         ) {
-          throw new Error(e);
+          throw new Error(error);
         }
       }
     });