Search Box Disappears

When I search for a song in iTunes the search box disappears as shown below. I am using a Mac with djay pro version 1.3.1.

Hi there,

thank you for contacting us. 
Could you tell us which macOS you are using right now?

Thank you in advance.

Cheers,
Lukas E.

Hi Jamie,

Please contact us right away via support@algoriddim.com.

Thank you in advance.

Cheers

Lukas E.

Mine has disappeared what’s the solution