Activation error

Hello,

I’m unable to install this plugin. This is the error message:

Fatal error: Uncaught Error: Call to undefined function create_function()
in /home/pieemme/apps/test/wp-content/plugins/debug-bar-extender/debug-bar-extender.php on line 222

Call stack:

Debug_Bar_Extender::prepare_debug_menu()
wp-content/plugins/debug-bar-extender/debug-bar-extender.php:121
Debug_Bar_Extender::init()
wp-content/plugins/debug-bar-extender/debug-bar-extender.php:758
include_once()
wp-admin/includes/plugin.php:2286
plugin_sandbox_scrape()
wp-admin/plugins.php:191
Query Monitor

Fatal error: Uncaught Error: Call to undefined function create_function() in /home/pieemme/apps/test/wp-content/plugins/debug-bar-extender/debug-bar-extender.php:222 Stack trace: #0 /home/pieemme/apps/test/wp-content/plugins/debug-bar-extender/debug-bar-extender.php(121): Debug_Bar_Extender->prepare_debug_menu() #1 /home/pieemme/apps/test/wp-content/plugins/debug-bar-extender/debug-bar-extender.php(758): Debug_Bar_Extender::init() #2 /home/pieemme/apps/test/wp-admin/includes/plugin.php(2286): include_once('...') #3 /home/pieemme/apps/test/wp-admin/plugins.php(191): plugin_sandbox_scrape() #4 {main} thrown in /home/pieemme/apps/test/wp-content/plugins/debug-bar-extender/debug-bar-extender.php on line 222

Thanks and kind regards,

Piero Mattirolo