message: defend against calling a BN method on `undefined`
diff: @@ -43,8 +43,11 @@ export default class CardPayWithdrawalWorkflowCheckBalanceComponent extends Comp
  @reads('layer1Network.walletProvider') declare walletProvider: WalletProvider;
  get hasSufficientBalance() {
  - return this.minimumBalanceForWithdrawalClaim.lte(
  + return (
  + this.layer1Network.defaultTokenBalance &&
  + this.minimumBalanceForWithdrawalClaim.lte(
  this.layer1Network.defaultTokenBalance
  + )
  );
  }
  