Mbed studio build error process failed with exit code 1

Mbed Studio
1

Hi
I am new here.
just installed the mbed studio. Mbed Studio: 0.8.1
imported the blinky example project to run on NUCLEO-F103RB.

when try to build i get the error below

[ERROR] init() got an unexpected keyword argument ‘coverage_patterns’

2

i downloaded the code again and now it works .dont know what was the issue though