I'm unable to go to the settings page if using the code in master.

Manually entering the URL of the settings page does take me to it, though:
{my-wordpress-url}/wp-admin/options-general.php?page=poet%2Fadmin%2Fclass-poet-admin.php
The currently released version (and old version without the latest commits from master) works well, though:

The settings page IS available from the general WordPress settings menu, though:

I'm unable to go to the settings page if using the code in
master.Manually entering the URL of the settings page does take me to it, though:
{my-wordpress-url}/wp-admin/options-general.php?page=poet%2Fadmin%2Fclass-poet-admin.php
The currently released version (and old version without the latest commits from
master) works well, though:The settings page IS available from the general WordPress settings menu, though: