Block submission failed! Scrypt fork litecoin legacy

When the pool found a block  says! submission failed with : params must be an array!
Its a fork of litecoin SCRYPT Legady Daemon
I am using Ubuntu 16.04 
![captura](https://user-images.githubusercontent.com/28992881/48102956-fabfa900-e1f2-11e8-8437-17905e5738d1.PNG)
