url that dont work

hi viktor i just installed fix 404 from web357 and i have these url in error more than 200 per day

www.crashdebug.fr/diversifion?id=1131:2-...an-v15-1131&catid=96
www.crashdebug.fr/dossiers?id=11900:soci...=99:dossiers&lang=fr
www.crashdebug.fr/dossiers?id=11900:soci...=99:dossiers&lang=fr
www.crashdebug.fr/revue-de-presse?id=119...ue-de-presse&lang=fr
www.crashdebug.fr/international?id=11901...t-dit-par-la&lang=fr

there is no referer, i don't know from where they came (EFESEO????)

SEF is on
rewrite url is on

perhaps its prolbem in router.php of joomla 3.5.1

can you tell me if that url are valid ???? my blog is not able to handle it,

enabling non sef to sef change nothing

thanks a lot for your help


guillaume,