The phrase "general inability" refers to a lack of skill or capability in many different areas. It means being unable to do many things or lacking proficiency in various tasks. Full definition
I was talking in the context of tonight's performance and in general our inability to perform consistently, have a effective and cohesive system and way of playing etc... (justarsenal.com)
Regulators disapproved the ETF on several grounds, including lack of regulation and a general inability to enter necessary surveillance - sharing agreements. (hacked.com)
But this situation is not indicative of a general inability of the magisterial system to resolve disagreements in the Church. (firstthings.com)