Help: Not able to install cm-12.1-20151007-SNAPSHOT from TWRP

When I try to install from TWRP this custom ROM cm-12.1-20151007-SNAPSHOT-YOG4PAO338-ville.zip
I am getting those errors
1. E: Could not extract to 'file_contexts': Read only file system
2. Error installing zip file /sdcard/cm-12.1-20151007-SNAPSHOT-YOG4PAO338-ville.zip
Updating partition details....
3. E: Error creating fstab

How can I fix those 2 errors E: Could not extract to 'file_contexts': Read only file system and E: Error creating fstab

from xda-developers http://ift.tt/1UGaEJj
via IFTTT