Down for Maintenance (Err 2)

Okay here is the problem, i had a whmcs the 5.2.10 on the system, i deleted it whole and uploaded the new 5.2. and created a new db and db user and imported the previous mysql db

Now i got message Down for Maintenance (Err 2)

How to make it work?

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Okay here is the problem, i had a whmcs the 5.2.10 on the system, i deleted it whole and uploaded the new 5.2.15 and created a new db and db user and imported the previous mysql db

Now i got message Down for Maintenance (Err 2)

How to make it work?