If you are having problems running wireguard on your raspberry pi check repo you installed it from, if its unstable repo switch to buster backports and reinstall from there. Wireguard from unstable repo has problems with raspberry kernel headers.
Correct repo:

Sign in to participate in the conversation
Mastodon 🔐

Fast, secure and up-to-date instance. PrivacyTools provides knowledge and tools to protect your privacy against global mass surveillance.

Matrix Chat:
Support us on OpenCollective, many contributions are tax deductible!