message: billing - stripe  -PM - do not complain when user is not in sync
diff: @@ -473,13 +473,15 @@ export default class StripeBillingIntegration extends BillingIntegration {
  // Check billing data consistency
  const customerID = user?.billingData?.customerID;
  if (!customerID) {
  - throw new BackendError({
  - message: `User is not known in Stripe: '${user.id}' - (${user.email})`,
  - source: Constants.CENTRAL_SERVER,
  - module: MODULE_NAME,
  - method: 'getPaymentMethods',
  - action: ServerAction.BILLING_TRANSACTION
  - });
  + // TODO: For now, we do not complain when the user is not in sync! Just return an empty list instead
  + return [];
  + // throw new BackendError({
  + // message: `User is not known in Stripe: '${user.id}' - (${user.email})`,
  + // source: Constants.CENTRAL_SERVER,
  + // module: MODULE_NAME,
  + // method: 'getPaymentMethods',
  + // action: ServerAction.BILLING_TRANSACTION
  + // });
  }
  // Let's do it!
  const paymentMethods: BillingPaymentMethod[] = await this._getPaymentMethods(user, customerID);
  