message: Stores can be undefined
diff: @@ -154,7 +154,7 @@ export function VendorService(
  * Returns a promise for a fresh view of the vendors and their items.
  */
  function loadVendors(account, stores) {
  - const characters = stores.filter((s) => !s.isVault);
  + const characters = (stores || []).filter((s) => !s.isVault);
  const reloadPromise = getDefinitions()
  .then((defs) => {
  