Fatal error funding pay pal

I have two errors in template fundingpress!

first problem::::
funding PAY PAL
Fatal error: Cannot access protected property Error::$message in /home/fondeo/public_html/wp-content/themes/funding_press/funding/lib/PayPal/Serializer/Unserializer.php on line 826

I am from mexico
I have several days with this problem and I can not fix

Second problem::::
background BLACK HOME PAGE
I get a background in home page
only mozilla Firefox browser
page http://www.fondeolatino.com

my email: serversin@hotmail.com support

thanks
JESUS URIAS