Sandbox Accounts - Unable to create Account

[magicstore]

Hi there,

we've a problem in account's creation in sandbox. 

Particularly, "Create Account" buttoms, is deactivated even if we fill in all the required fields. 

[MTS_Justin]

Hello,

We experienced a short impact to our sandbox environment earlier today which may have impacted your ability to create new sandbox accounts.

Please try again now and use a unique email address for the account which has not been used within the sandbox account before.

Apologies for any inconvenience.