Error in holoscan API doc

it seems that most of the holoscan C++ API doc are invalid, showing error. please help.

URL doc:
https://docs.nvidia.com/holoscan/sdk-user-guide/api/cpp/define_operator_8hpp_1ab2c635a927962650e72a33623f2f9ca1.html#exhale-define-operator-8hpp-1ab2c635a927962650e72a33623f2f9ca1

error:

This docs.nvidia.com page can’t be found

No webpage was found for the web address: https://docs.nvidia.com/holoscan/sdk-user-guide/api/cpp/define_operator_8hpp_1ab2c635a927962650e72a33623f2f9ca1.html#exhale-define-operator-8hpp-1ab2c635a927962650e72a33623f2f9ca1

HTTP ERROR 404

The links you shared are currently working for me. Maybe they were down temporarily.
When a link does not work, can you try NVIDIA Holoscan - NVIDIA Docs ?
This landing page also allows you to look at different releases, in case you do not find the documentation for the API you are looking for.