GLOBALS:

Array
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            [_module] => courses
            [_page] => lesson
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            [id] => урок-5
            [title] => установка-и-настройка-phpstorm-open-server-github-bower-ftp
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    [_COOKIE] => Array
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    [_FILES] => Array
        (
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    [_SERVER] => Array
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            [REDIRECT_SSL_TLS_SNI] => school-php.com
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            [UNIQUE_ID] => YIGpdrI52n8AAE3VvowAAAAC
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            [SSL_TLS_SNI] => school-php.com
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            [SSL_COMPRESS_METHOD] => NULL
            [SSL_CIPHER] => ECDHE-RSA-AES128-GCM-SHA256
            [SSL_CIPHER_EXPORT] => false
            [SSL_CIPHER_USEKEYSIZE] => 128
            [SSL_CIPHER_ALGKEYSIZE] => 128
            [SSL_CLIENT_VERIFY] => NONE
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            [SSL_SERVER_V_END] => Jun 10 21:43:27 2021 GMT
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            [SSL_SERVER_A_SIG] => sha256WithRSAEncryption
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            [SSL_SESSION_RESUMED] => Initial
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            [HTTP_CONNECTION] => Keep-Alive
            [HTTP_ACCEPT_ENCODING] => gzip
            [HTTP_CF_IPCOUNTRY] => US
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            [HTTP_CF_RAY] => 64405ac428b84a5c-FRA
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            [HTTP_CF_VISITOR] => {"scheme":"https"}
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    [t] => 1619110262.6077
    [GLOBALS] => Array
 *RECURSION*
    [_SESSION] => Array
        (
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)

DEBUG BACKTRACE

#0  FW\MyErrorHandler\MyErrorHandler::handler(2, Trying to access array offset on value of type null, /var/www/school-php.com/public_html/modules/courses/lesson.php, 295) called at [/var/www/school-php.com/public_html/modules/courses/lesson.php:295]
#1  require(/var/www/school-php.com/public_html/modules/courses/lesson.php) called at [/var/www/school-php.com/public_html/modules/courses/controller/controller.php:11]
#2  require(/var/www/school-php.com/public_html/modules/courses/controller/controller.php) called at [/var/www/school-php.com/public_html/index.php:215]
#3  FrontController::init(courses/php7-i-mysql-sredniy-uroven/урок-5/установка-и-настройка-phpstorm-open-server-github-bower-ftp) called at [/var/www/school-php.com/public_html/index.php:245]

TIPS

Незадокументированный тип ошибки