Piwigo encountered a non recoverable error

[mysql error ] 
User ynkvfcvo_m1Ph07oaL8om already has more than 'max_user_connections' active connections

#1	my_error /home/ynkvfcvo/public_html/albums.nizarus.tn/include/common.inc.php(122)
#2	include_once /home/ynkvfcvo/public_html/albums.nizarus.tn/picture.php(10)