be a victim of your own success

US /bi ə ˈvɪktɪm əv jʊər oʊn səkˈsɛs/
UK /bi ə ˈvɪktɪm əv jʊər oʊn səkˈsɛs/
"be a victim of your own success" picture
1.

to suffer negative consequences as a result of one's own success or achievements

:
The popular restaurant started to be a victim of its own success when it couldn't handle the overwhelming number of customers.
Her band started to be a victim of their own success when internal conflicts arose due to their sudden fame.