When a channel has tens of thousands of videos, YT Tracker may not be able to list all the channel videos due to a limitation imposed by Google (Check issue #3). In that case, you can enable a config to list the maximum number of videos possible. The trade-off of this workaround is your sheet will contain only a limited number of fields. Those fields are,
You can fetch channel video IDs using this method and paste them into a videos sheet to get more information about the videos. Select Extensions → YT Tracker → Settings → Customization, check Quick list channel Videos and save to enable this config.