Why so many errors?

[himlai]

I have memu 7.2.7 on  android 5.1 

Clashfarmer show me these error:

Some Issue Occurred: 'NoneType' object has no attribute 'ReadUntilClose'
Some Issue Occurred: Professional License: 28 days left

I purchased new license 2 days ago and I can't find a way to make it work. 
2 days wasted.

Help !


Thank =)