Runtimer index error when running to crack mongo-cr hashes

[0x5929]

./krkr -f /root/Documents/mongodb/administrator.hash -t mongo-cr -w /usr/share/wordlists/rockyou.txt

Loaded 1 hashes. Loaded 14336793 words. panic: runtime error: index out of range [1] with length 1

goroutine 37 [running]: main.(*MongoCR).Hash(0x5d4518, 0xc0000b6000, 0x40, 0xc008672000, 0x6) /opt/krkr/mongocr.go:29 +0x36f main.main.func2(0xc0000140e0, 0xc0000500c0, 0xc0000822c0) /opt/krkr/main.go:93 +0x9b created by main.main /opt/krkr/main.go:90 +0x5dc

[hffaust]

same error here... I think possible because it has to be in the format of username:hash ... when I reformatted my hash it seemed to fix it. Still not finding the hash in my case, could be a wordlist problem though.