Data Iteration UI Bug

When I want to alternate the data iteration for the variable binding a popup opens to insert the rows which should be chosen. Unfortunately this popup isn’t maximized.

Screen resolution is 1920 x 1080 on windows 10

[2018-08-24 13_11_34-Katalon Studio - TKShop - Location_ C__Users_donauerp_OneDrive - Villeroy & Boc.png