Error Message on a fresh WordPress

Hi there,

The following messages are displayed in my Back Office :

Warning: sprintf(): Too few arguments in /wp-content/plugins/bp-group-documents/include/widgets.php on line 321

Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/bp-group-documents/include/widgets.php:321) in /wp-includes/pluggable.php on line 1196

Meny thanks for the help

https://ww.wp.xz.cn/plugins/bp-group-documents/