Internal Server Error with link after upgrade 3.7 - Joomla! Forum - community, help and support

hi

after upgrading 3.7 http://yaovi.com there problem links , menus

admin ok
frontend display
but menus , link give me:

internal server error

the server encountered internal error or misconfiguration , unable complete request.

please contact server administrator, postmaster@yaovi.com , inform them of time error occurred, , might have done may have caused error.

more information error may available in server error log.

additionally, 500 internal server error error encountered while trying use errordocument handle request.

i ask host , no problem server
the other website have in same host work well

no message debug system

thank me

an .htaccess error it's solve