undefined array key "biblebooks"

[JohnRDOrazio]

Undefined array key "biblebooks" in /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php on line 265

PHP message: PHP Fatal error: Uncaught TypeError: in_array(): Argument #​2 ($haystack) must be of type array, null given in /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php:265

Stack trace:

#0 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php(265): in_array()

#​1 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php(274): QueryValidator->isValidBookForVariant()

#​2 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php(207): QueryValidator->validateBibleBook()

#​3 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/includes/QueryValidator.php(424): QueryValidator->validateAndSetBook()

#​4 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp-content/plugins/bibleget-io/bibleget-io.php(318): QueryValidator->ValidateQueries()

#​5 /var/www/vhosts/johnromanodorazio.com/httpdocs/wp...'