bp-help replied to the topic New Users Cannot Login to Buddypress After Activating their Account. in the forum How-to & Troubleshooting 2 weeks ago
Unfortunately your going to have to use the process of elimination by activating each plugin individually and testing against it until you narrow it down to find the plugin that is the culprit. Once you find the plugin that is causing the issue the go to the plugin authors support forum and report your findings.
@flixya4gabby active 3 days, 5 hours ago