Error: "An error has occurred on the server and has been logged." when attempting to create a contact in Act! Premium (access via web)

Symptom: I am attempting to create a new contact and I get logged out. The following error is showing in the login page: "An error has occurred on the server and has been logged."

Product Details:
Product Family: Act! 
Product: Act! Premium (access via web)
Version: v18.2

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Cause: This problem may occur if the contact creation preferences have not been created for the Act! user who gets logged out.

Solution: 

1. Open the installed version of Act! on the machine hosting the database
2. Log in the affected database as the user affected by this problem
3. Go to the menu Tools > Preferences
4. Click the Startup tab along the top
5. Click Record Creation Options...
6. Click OK so the contact creation preferences are created, unless you want to customise these first.
7. Click OK to exit the Preferences window
8. Log in the web version as the user that you used to go through the steps above.
9. Try creating a new contact