Dirty flash your stock ROM - *appparently you can access KNOX even if your counter is 0x1 another user done so a month ago or so* - If that doesn't work. Then no-go, you'll have to forfeit your pics and learn a lesson in Note 3 issues. Don't root without knowing the consequences.
// LG G3 (D855) // Stock // Stock //
S3(White) > M7(Red) > Note 3(Black) > Nexus 5(Black) > M8(Gunmetal) > LG G3 (Titan Grey)