Hi AK,
Thanks for getting in touch. Some users have had trouble using WPML and a similar plugin, qtranslate, with The Events Calendar. We’re working on improving compatibility, but currently using them both may require some tinkering.
I recommend that you check out the Pro forums and read over some of the previous threads on the subject. Here are a few to get you started:
The Events Calendar PRO and WPML
weir get_comments behaviour (not expected at all!)
Plugin conflicts with WPML and Yoast
If you haven’t already, I also recommend that you try running your site using WPML and our free Events Calendar. The Pro version definitely adds functionality and thus complication, but often checking out the free version with themes and plugins is a good way to predict how things will work with Pro.
I hope that answers your questions. Let me know if there’s anything else I can do to help you out.
Cheers,
Leah