[rccoder]

I had the same problem. It was caused by an unhandled PHP error.

PHP Fatal error: Call to undefined function bp_activity_get() in …/wp/wp-content/plugins/buddypress/bp-xprofile/bp-xprofile-activity.php on line 266

Here’s the fix.

Fix: Modified BP plugin bp-xprofile function to prevent the error.

File: wp/wp-content/plugins/buddypress/bp-xprofile/bp-xprofile-activity.php
Function: bp_xprofile_updated_profile_activity
Line: 266

Added the following to prevent the error.
// FIX: Blank page after edit profile save.
if ( function_exists ( ‘bp_activity_get’ ) ) {
…