Making an existing user a provider

There are situations where a user was created and not made a provider, which causes the error as below
Error Logged In User is Not a Provider
The steps to make an existing user account a provider are as follows: 1. Click Home
  1. 1.
    Click the Legacy System Administration link on the home page
  2. 2.
    Click the Manage Providers link on the system administration page
4.Click Add Provider link
5.Enter provider name, and hit the save button
6.You should see the newly added provider on the list as below;