You’re supposed to first encrypt your new password to a Md5 hash. E.g. with
https://www.miraclesalad.com/webtools/md5.php
And that generated MD5 hash can be placed in the database in: wd_users > (you) > user_pass
Save it and you should be able login again. (Unless that plugin uses an entire other login feature then WP by default does ?? )
Edit:
Steves reply above is much more complete. We were writing at the same time ??
Try disabling the coming soon thing.
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