This post will show you how to fix the “Something Went Wrong” Error message when you are trying trade on WAVES DEX platform. Please note that this solution is temporary fix, Waves team are aware of the error and are trying to fix it.
SOLUTION
What you need to do is to change the Expiration of the Trade you like to make from 30 days to 1 week before making the trade.
There you go. We hope this helps someone. As stated above this is caused by a bug on the WAVES DEX and this solution is just a workaround solution.