Installation des Plugin's Polylang - Fehlermeldungen

Moin moin,

habe meine Website jetzt zweisprachig, kann mich jetzt aber nicht mehr anmelden. Bekomme nun folgende Meldungen angezeigt...

" Warning: Illegal string offset 'default_timeout' in /www/htdocs/w013b8c7/outofsteilshoop.com/wp-content/plugins/wp-login-timeout-settings/wp-login-timeout-settings.php on line 110

Warning: Illegal string offset 'default_timeout_unit' in /www/htdocs/w013b8c7/outofsteilshoop.com/wp-content/plugins/wp-login-timeout-settings/wp-login-timeout-settings.php on line 110

Warning: Cannot modify header information - headers already sent by (output started at /www/htdocs/w013b8c7/outofsteilshoop.com/wp-content/plugins/wp-login-timeout-settings/wp-login-timeout-settings.php:110) in /www/htdocs/w013b8c7/outofsteilshoop.com/wp-includes/pluggable.php on line 898

Warning: Cannot modify header information - headers already sent by (output started at /www/htdocs/w013b8c7/outofsteilshoop.com/wp-content/plugins/wp-login-timeout-settings/wp-login-timeout-settings.php:110) in /www/htdocs/w013b8c7/outofsteilshoop.com/wp-includes/pluggable.php on line 899

Warning: Cannot modify header information - headers already sent by (output started at /www/htdocs/w013b8c7/outofsteilshoop.com/wp-content/plugins/wp-login-timeout-settings/wp-login-timeout-settings.php:110) in /www/htdocs/w013b8c7/outofsteilshoop.com/wp-includes/pluggable.php on line 900 "

Verstehe rein gar nichts. Kann mir bitte jemand helfen.

Vielen Dank und Grüße
Winfried Prignitz