( ! ) Warning: Use of undefined constant DOL_DOCUMENT_ROOT - assumed 'DOL_DOCUMENT_ROOT' (this will throw an Error in a future version of PHP) in C:\wamp64\www\listincsv\admin\listincsv_about.php on line 32
Call Stack
#	Time	Memory	Function	Location
1	0.0047	362296	{main}( )	...\listincsv_about.php:0

( ! ) Warning: require_once(DOL_DOCUMENT_ROOT/core/lib/admin.lib.php): failed to open stream: No such file or directory in C:\wamp64\www\listincsv\admin\listincsv_about.php on line 32
Call Stack
#	Time	Memory	Function	Location
1	0.0047	362296	{main}( )	...\listincsv_about.php:0

( ! ) Fatal error: require_once(): Failed opening required 'DOL_DOCUMENT_ROOT/core/lib/admin.lib.php' (include_path='.;C:\php\pear') in C:\wamp64\www\listincsv\admin\listincsv_about.php on line 32
Call Stack
#	Time	Memory	Function	Location
1	0.0047	362296	{main}( )	...\listincsv_about.php:0