reports plugin gives php errors

reports plugin gives php errors:
Strict Standards: Redefining already defined constructor for class Activity_Reports in /home/fastwutn/public_html/wp-content/plugins/reports/reports.php on line 61

Deprecated: Assigning the return value of new by reference is deprecated in /home/fastwutn/public_html/wp-content/plugins/reports/reports.php on line 495

Warning: Cannot modify header information - headers already sent by (output started at /home/fastwutn/public_html/wp-content/plugins/reports/reports.php:61) in /home/fastwutn/public_html/wp-content/plugins/sitewide-privacy-options/sitewide-privacy-options.php on line 591

need to be fixed.