An error has occured while... Operation not allowed cat-tool use

Question

Hello! 
 Trying out ModernMT but the following error message appears no matter project.

Paul · Answer

Emi Amber 
 I spoke to the developer who advised that you have subscribed to a plan which does not allow cat tools usage. You should contact their support and they'll change your plan to the " Human-in-the-loop " or " Professional " (ref. https://www.modernmt.com/pricing/ )

RWS AppStore > 2. RWS AppStore Applications

An error has occured while... Operation not allowed cat-tool use