Resolving issues with linking a phone number for SMS notifications to the billing account

Issue descriptionIssue description

You get an error when trying to link a phone number to a billing account.

SolutionSolution

To resolve this issue, create a request for technical support.
In the request, specify the following information:

1. The phone number you are attempting to link to the billing account (with the country code in international format, e.g., +7 (XXX) XXX-XX-XX).
2. Screenshot of the error message that pops up when you try to link a phone number to the billing account.