New installation error please advice

hi all, i just installed Solidres hotel booking and i found this

error Notice: Trying to get property of non-object in D:\xamp\htdocs\getvilla\components\com_solidres\views\reservationasset\view.html.php on line 53.

and images are not show up (image enclosed), what i missing? please help thanks

Hi Vieth, thanks for your respon, great! i have it solved!

Now for images should i upload media package into my joomla media manager?

Hi Vietvh, as your advice i just installed media.zip via Joomla Extension and I got this error, since last night i can't install it successfully (image attached)

Actually i have check all images sunflower already there in media in Solidres control panel, but the images not show in front end, thanks for help