Errores en mi web al instalar buddypress 2.1.1 en wordpress 4.0.1

[miguelpenalba]

Versión de wordpress 4.0.1

He instalado nuevamente, pues me daba errores, el plugin buddypress 2.1.1 y me da los siguientes errores:

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 187

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 143

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 145

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 146

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 147

Warning: Creating default object from empty value in /homepages/18/d359613374/htdocs/socios/wp-content/plugins/bp-privacy/bp-authz-core.php on line 148