Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 8
Message: Trying to access array offset on value of type null
File: /var/www/html/index.php
Line: 74

Trace

#0 /var/www/html/index.php(74): Slim\Slim::handleErrors()
#1 /var/www/html/index.php(976): entry_sort()
#2 [internal function]: {closure}()
#3 /var/www/html/Slim/Route.php(468): call_user_func_array()
#4 /var/www/html/Slim/Slim.php(1357): Slim\Route->dispatch()
#5 /var/www/html/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#6 /var/www/html/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#7 /var/www/html/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#8 /var/www/html/Slim/Slim.php(1302): Slim\Middleware\PrettyExceptions->call()
#9 /var/www/html/index.php(1425): Slim\Slim->run()
#10 {main}