Console shows same error every half second, how to fix?

[gold333]

error 21:24:26.247782+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.CoreDisplay.Notification
error 21:24:26.247942+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.diagnosticd
error 21:24:27.336003+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.CoreDisplay.Notification
error 21:24:27.336150+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.diagnosticd
error 21:24:28.434516+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.CoreDisplay.Notification
error 21:24:28.434664+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.diagnosticd
error 21:24:29.435715+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.CoreDisplay.Notification
error 21:24:29.435883+0200 kernel Sandbox: com.apple.WebKit(953) deny(1) mach-lookup com.apple.diagnosticd


Continously.

Can someone tell me what is going on and how to fix it?

Normal mid 2012 Macbook Pro running latest version of Catalina