Default How to fix folder/directory creation error?

I'm having a problem creating a folder in ANY file browser app.

I'm running stock ROM on the T Mobile version of the Note 3 (n900t). I rooted with CFAutoRoot and I'm running some Xposed.

I've had this problem before on my previous phone and cannot remember how I fixed it.

I've tried fixing permissions through TWRP but no dice...

Any ideas? Thanks in advance.

Sent from my SM-N900T using XDA Premium 4 mobile app
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Current Devices:
Sony Xperia Z2 D6503 LTE (Arriving 6-24-14)
Samsung Galaxy Note 3 N900T Jet Black (AT&T)
Samsung Galaxy S4 I337 Ceramic White

Retired Devices:
Samsung Galaxy S4 I337 Black Mist (Sold on Swappa 2/26/14)
Samsung Galaxy Note SGH-i717 Ceramic White (Sold on Swappa 4/18/13)
Apple iPhone 4 (Sold on Swappa)