Can anyone help and tell how come I am getting the following error when I try to use the testimonials block page ( the one that is automatically created when you install it)?

Warning: View::include(/hsphere/local/home/bloksoli/itsnotrocketscience.com/themes/keepitsimple/view.php): failed to open stream: No such file or directory in /hsphere/local/home/bloksoli/itsnotrocketscience.com/concrete/libraries/view.php on line 728 Warning: View::include(): Failed opening '/hsphere/local/home/bloksoli/itsnotrocketscience.com/themes/keepitsimple/view.php' for inclusion (include_path='.:/hsphere/shared/apache/libexec/php5ext/php/:/hsphere/local/home/bloksoli/itsnotrocketscience.com/libraries/3rdparty:/hsphere/local/home/bloksoli/itsnotrocketscience.com/concrete/config/../libraries/3rdparty') in /hsphere/local/home/bloksoli/itsnotrocketscience.com/concrete/libraries/view.php on line 728