Blog Mu Single Site Theme Issues

I recently purchased a Jobs! Plugin (Wordpress Version) and installed Blogs MU (child and parent) (single site version). Unfortunately, I got the below error messages. What do I need to do to fix this? Any help would be greatly appreciated.

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Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/options-functions.php on line 1177

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3738

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3754

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3771

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3788

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3805

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3822

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3838

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3854

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3870

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/_inc/functions/services-functions.php on line 3887

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/functions.php on line 1185

Notice: Undefined index: page in /home/anjali/public_html/talentgalary.com/jobs/wp-content/themes/blogs-mu/functions.php on line 1265