Japanese phrase
___は、できなくなりました。 ___ wa de ki na ku na ri ma shi ta
Meaning
___ is no longer possible.
When to use it
An action has become impossible. It gives a clear, neutral notice that circumstances have changed and the action cannot be done anymore.
Example dialogue
明日の参加は、できなくなりました。 asu no san ka wa de ki na ku na ri ma shi ta
Attending tomorrow is no longer possible.
そうですか。残念ですね。 sō de su ka zan nen de su ne
I see. That is too bad.