Max Mega Menu not working

Hi,
I am trying to create a mega menu with max megamenu plugin. I have checked YouTube for reference and I did just following it. The process is quite easy to understand. However, it is not working.

I am using Blocksy Theme. After applying all the necessary settings inside Appearance-Menu, I saved my menu and checking to see if its working. It is not even getting applied.

I tried deactivating all my installed plugin still not result. Can someone help me with it?

Thanks in advance.

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