Fatal Error when trying to create a channel field

I have brand new installation of ExpressionEngine 3.5.10 and I’ve just gone to setup my first channel. I created a new field group but when I try and add a field I get this error:

Fatal error: Uncaught Error: Class ‘Grid_model’ not found in /var/www/hosts/hub/system-logistics/ee/legacy/core/Loader.php:339 Stack trace: #0 /var/www/hosts/hub/system-logistics/ee/EllisLab/Addons/grid/ft.grid.php(41): EE_Loader->model(‘Grid_model’) #1 /var/www/hosts/hub/system-logistics/ee/legacy/libraries/api/Api_channel_fields.php(377): Grid_ft->__construct() #2 /var/www/hosts/hub/system-logistics/ee/legacy/libraries/api/Api_channel_fields.php(326): Api_channel_fields->_instantiate_handler(‘grid’) #3 /var/www/hosts/hub/system-logistics/ee/EllisLab/ExpressionEngine/Model/Content/FieldFacade.php(296): Api_channel_fields->setup_handler(‘grid’) #4 /var/www/hosts/hub/system-logistics/ee/EllisLab/ExpressionEngine/Model/Content/FieldFacade.php(211): EllisLab\ExpressionEngine\Model\Content\FieldFacade->initField() #5 /var/www/hosts/hub/system-logistics/ee/EllisLab/ExpressionEngine/Model/Content/FieldModel.php(61): EllisLab\ExpressionEngine\Model\Content\FieldFacade->getSettingsForm() #6 /var/www/hosts/hub/system-logistics/ee/ in /var/www/hosts/hub/system-logistics/ee/legacy/core/Loader.php on line 339