[TypeError] 
imagecopy(): Argument #1 ($dst_image) must be of type GdImage, null given (0)
/home/bitrix/www/local/packages/webnroll/src/Image.php:677
#0: imagecopy
	/home/bitrix/www/local/packages/webnroll/src/Image.php:677
#1: Local\Webnroll\Image->do_overlay
	/home/bitrix/www/local/packages/webnroll/src/Image.php:1075
#2: Local\Webnroll\Image::Overlay
	/home/bitrix/www/ajax/get_picture.php:8
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