[SOLVED] Integrate Moodle with Z2JH: 401 ERROR

Hello, I a Moodle running on one serwer (APACHE) and Z2JH running elsewhere. I trzy to configure the LTI login, but I keep getting:

401 : Unauthorized

Timestamp given is invalid, differ from allowed by over 33 seconds.

How to resolve that?

For me it was enough to restart chrony.

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