Unable to add users from the Admin console

While setting up a new Google Workspace account and attempt to create more than 50 users, you get the following error message:

You have reached the 50 user limit for Google Workspace [current edition]. Please contact support to change this.

• Admin console

To increase the maximum user capacity, you must process a payment in advance equal to 50% of the new total amount of users by following these steps:

1. Access your Admin console.
2. At your left-hand, go to Billing > Payment accounts.
3. Click the account ID for your subscription.
4. Under Your balance, click Pay Early or Make a Payment.
5. On the Make a payment screen, select or add your payment method:
   • To use the displayed payment method: Skip to step 7.
   • To use a different existing payment method: Next to the displayed payment method, click the Down arrow and then select a different method.
   • To add a new payment method: Next to the displayed payment method, click the Down arrow. Select the option to add a credit or debit card or a bank account (if available) and enter the required information.
6. Specify how much you want to pay. There may be a minimum payment  required. 
7. Click Make a payment.
8. Make sure that the payment details are correct, then click Confirm > Got It.
9. Once the payment has been made, contact Google Workspace Support to complete the process.