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Zeppelin stops working after changing arguments

Hello guys,

I have a problem with zeppelin. I select all data from my table, it contains only 3 columns. The zeppelin

is able to plot a graph (screenshot1), that is good, but if I change the agruments for example, adding cf ti groups area,

it will freeze the zeppelin website and after few minutes it will show this (screenshot2).

Does anybody know what couses this problem?