After dB restore (Pronestor Planner) a timeout appear when creating a meeting with catering

WHEN 

After database restore an error page appears as a result of TIMEOUT when creating a meeting. It happens when adding catering. 

WHY

This problem have been seen when the tables BOOKING, BOOKINGHISTORY and RESERVATION is not properly indexed after a restore.

HOW TO SOLVE

1. Open the dB in Microsoft SQL Management Studio
2. Find the dbo.booking tabel and expand
3. Right click "Indexes" and choose "Rebuild"

For Bookinghistoriry and Reservation repeat the steps 1-2-3.

Finally Recycle the Application Pool.