Puncture in SCHWALBE CITIZEN ACTIVE tire
A quick google shows https://www.schwalbe.com/en/tour-reader/citizen.html

Its a straightforward clincher tyre that may be used tubeless, but may be used with a tube.

Best thing to do is take the tyre off and see if there's a tube inside.

Do note that tubeless tyres can be run with tubes perfectly well.



From there, your question devolves to either :

how to fix a puncture in a tubeless tyre  or

to patch or replace a tube?  followed by either: how to fix a puncture in a tube tyre  or  how to replace a tube in a tyre