( ! ) Fatal error: Uncaught Error: Using $this when not in object context in C:\wamp64\www\crop_db\templates_c\%%0E^0EB^0EB7E417%%xml_grid.tpl.php on line 1

( ! ) Error: Using $this when not in object context in C:\wamp64\www\crop_db\templates_c\%%0E^0EB^0EB7E417%%xml_grid.tpl.php on line 1
Call Stack
#	Time	Memory	Function	Location
1	0.0002	448304	{main}( )	...\%%0E^0EB^0EB7E417%%xml_grid.tpl.php:0