( ! ) Fatal error: Uncaught Error: Call to undefined function add_action() in C:\wamp64\www\wp-includes\blocks\calendar.php on line 78
( ! ) Error: Call to undefined function add_action() in C:\wamp64\www\wp-includes\blocks\calendar.php on line 78
Call Stack
#	Time	Memory	Function	Location
1	0.0001	364184	{main}( )	...\calendar.php:0