( ! ) Warning: Trying to access array offset on value of type null in C:\WebServer\WebRoot\api\put_stock.php on line 17
Call Stack
#	Time	Memory	Function	Location
1	0.0014	421768	{main}( )	...\put_stock.php:0

( ! ) Warning: Undefined variable $tag_id in C:\WebServer\WebRoot\api\put_stock.php on line 86
Call Stack
#	Time	Memory	Function	Location
1	0.0014	421768	{main}( )	...\put_stock.php:0

( ! ) Warning: Undefined variable $update_user in C:\WebServer\WebRoot\api\put_stock.php on line 86
Call Stack
#	Time	Memory	Function	Location
1	0.0014	421768	{main}( )	...\put_stock.php:0

更新タグID が指定されていません。