Fatal error: Uncaught Error: Call to undefined function getBytes() in /volume1/web/packages/system/panels/cms/090_tools/010_system/systemcheck/actions.php on line 10

Error: Call to undefined function getBytes() in /volume1/web/packages/system/panels/cms/090_tools/010_system/systemcheck/actions.php on line 10

Call Stack:
    0.0001     360000   1. {main}() /volume1/web/packages/system/panels/cms/090_tools/010_system/systemcheck/main.tpl.php:0
    0.0001     360592   2. include_once('/volume1/web/packages/system/panels/cms/090_tools/010_system/systemcheck/actions.php') /volume1/web/packages/system/panels/cms/090_tools/010_system/systemcheck/main.tpl.php:2