message: hoxfix - issuer of undefined
diff: @@ -1875,7 +1875,7 @@ export default class OCPPUtils {
  }
  public static async checkBillingPrerequisites(tenant: Tenant, action: ServerAction, chargingStation: ChargingStation, user: User): Promise<void> {
  - if (!user.issuer) {
  + if (!user?.issuer) {
  // Roaming - do not check for payment methods
  return;
  }
  