PHP errors

Hi RoomCloud support!

The plugin seems to work fine, but checking the error log file I found a bunch of new entries throwed each time the page with the shortcode is accessed.

I tried with a new blank site without any plugins and a few PHP versions from 8.1 to 8.3 and the problems persisted.

The shortcode I’m using is:
[roomcloud_v2 hotel=9628 lang=es curr=ARS hide_pin=0 color=9C794C]

Here are a sample of the errors (exactly the same errors in a local new blank site and in the production site):

[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "first_dow" in …/wp-content/plugins/roomcloud/roomcloud.php on line 831
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "adults" in …/wp-content/plugins/roomcloud/roomcloud.php on line 843
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "hide_children" in …/wp-content/plugins/roomcloud/roomcloud.php on line 847
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "showcrossed" in …/wp-content/plugins/roomcloud/roomcloud.php on line 850
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "open_dropdowns_on_top" in …/wp-content/plugins/roomcloud/roomcloud.php on line 853
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "property_id" in …/wp-content/plugins/roomcloud/roomcloud.php on line 863
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "room_type_id" in …/wp-content/plugins/roomcloud/roomcloud.php on line 864
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "apt" in …/wp-content/plugins/roomcloud/roomcloud.php on line 884
[02-Apr-2025 14:42:18 UTC] PHP Warning: Undefined array key "load_jquery" in …/wp-content/plugins/roomcloud/roomcloud.php on line 893

Using the shortcode:

[roomcloud hotel=9628 lang=es curr=ARS hide_pin=0 color=9C794C load_jquery='true']

the errors are:

[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "first_dow" in ...\wp-content\plugins\roomcloud\roomcloud.php on line 469
[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "adults" in...\wp-content\plugins\roomcloud\roomcloud.php on line 481
[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "showcrossed" in ...\wp-content\plugins\roomcloud\roomcloud.php on line 489
[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "open_dropdowns_on_top" in ...\wp-content\plugins\roomcloud\roomcloud.php on line 492
[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "hide_children" in ...\wp-content\plugins\roomcloud\roomcloud.php on line 495
[02-Apr-2025 15:08:29 UTC] PHP Warning: Undefined array key "apt" in ...\wp-content\plugins\roomcloud\roomcloud.php on line 517

The page I need help with: [log in to see the link]