by Bill MacKenty.
Same issue, Moodle 4.5 (Build: 20241007). Turned off recycle bin, and added:
$CFG->forced_plugin_settings['backup'] = [];
$CFG->forced_plugin_settings['restore'] = [];
...to config.php, neither worked. Copied courses do not "stick" they just vanish.
$CFG->forced_plugin_settings['backup'] = [];
$CFG->forced_plugin_settings['restore'] = [];
...to config.php, neither worked. Copied courses do not "stick" they just vanish.