error Undefinede Array Key 6 on LaravelServiceProvider.php: 130. PHP8.1

[joantp]

Describe the bug Undefined array key 6 on var/www/dieleute/vendor/webklex/laravel-imap/src/Providers/LaravelServiceProvider.php:130

Desktop / Server:

• OS: Ubuntu Server 20.04
• PHP: 8.1

My work around

iI have added isset condition: if (is_array($value) or (isset($base[$key]) && is_array($base[$key]) )) { n this line if (is_array($value) or is_array($base[$key])) {

Am I missing something?

Thank you for your job!