User in my Org see this error when they login to Booking

[MMAL365]

I tried to disable and enable his booking licence, but it didn't work. same errors again after switching from Edge to Chrome.

[#2]

Hi. Creation of booking page seems to be throwing an error. Can you confirm which M365 license the user in your org has? Are other users in your org able to create booking pages?

You can also raise a support ticket to get faster response: https://learn.microsoft.com/en-us/microsoft-365/admin/get-help-support?view=o365-worldwide