Freq Echo makes Reaper automute

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Hi, I was trying Freq Echo with Reaper and I stumbled on what seems to be a bug. If I load the plugin in a track, this makes Reaper automute the channel (automute happens when volume is greater than 20 dBs). If I manually reactivate the channel, Freq Echo doesn't work, and it blocks audio (if it is on, no sound comes from the track).
It seems to happen only if the plugin is loaded in a send track already connected to the source channel. If the connection is made after the plugin is loaded, it works fine.

Using last version of both softwares, Reaper and Freq Echo.


P.S. By the way, amazing sound. Probably the best free echo plugin at the moment.