I can't root my Grand Prime i think its an authorization error, maybe because i'm in developer mode?

[AC Question]

Here's the Odin log

<ID:0/003> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> 2_cache_recovery_stock_mohan_sm-g530h.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> recovery.img
<ID:0/003> NAND Write Start!!
<ID:0/003> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)