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(1/1) InvalidArgumentException

Identifier "isLogged" is not defined.

in Pimple.php (line 78)
at Pimple->offsetGet('isLogged')in MBTIController.php (line 433)
at MBTIController->history(object(Request), object(Application), 1)
at call_user_func_array(array(object(MBTIController), 'history'), array(object(Request), object(Application), 1))in HttpKernel.php (line 144)
at HttpKernel->handleRaw(object(Request), 1)in HttpKernel.php (line 64)
at HttpKernel->handle(object(Request), 1, true)in Application.php (line 586)
at Application->handle(object(Request))in Application.php (line 563)
at Application->run()in index.php (line 280)