connection error: {"code":-1,"message":"Low difficulty share"}
Hello
Hi, I'm getting these errors:
2017-12-21 16:38: pool connection error (fcc448c9-6677-4f50-8926-c74d86d747ef): {"code":-1,"message":"Low difficulty share"}
proxy error: undefined
2017-12-21 16:38: pool connection error (d3488011-0cce-4fee-9844-f8e81dbdb46e): {"code":-1,"message":"Low difficulty share"}
proxy error: undefined
2017-12-21 16:38: pool connection error (c2ad8b02-4c30-48b2-976a-02c5f820a69c): {"code":-1,"message":"Low difficulty share"}
proxy error: undefined

Then it stop mining 
Then i need to restart the proxy manually 
Any solution ?