sich selbst erneuernd

listen to the pronunciation of sich selbst erneuernd
Немецкий Язык - Английский Язык
self-perpetuating
Describing something that causes itself to continue to exist

It's a self-perpetuating error, now that we've made it, we can't fix it without breaking things that depend on it.

Perpetuating itself or oneself without external agency or intervention
Having the power to renew or perpetuate oneself or itself for an indefinite length of time