Upcoming Birthdays v1.0.0

Good evening.

When I activate the module Upcoming Birthdays  v1.0.0  I get this error the

Warning: Cannot modify header information - headers already sent by (output started at /home/culture2/public_html/forum/admin/applications_addon/ips/calendar/sources/hooks.php:151) in /home/culture2/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 114
Warning: Cannot modify header information - headers already sent by (output started at /home/culture2/public_html/forum/admin/applications_addon/ips/calendar/sources/hooks.php:151) in /home/culture2/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 127
Warning: Cannot modify header information - headers already sent by (output started at /home/culture2/public_html/forum/admin/applications_addon/ips/calendar/sources/hooks.php:151) in /home/culture2/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 136
Warning: Cannot modify header information - headers already sent by (output started at /home/culture2/public_html/forum/admin/applications_addon/ips/calendar/sources/hooks.php:151) in /home/culture2/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 137
Warning: Cannot modify header information - headers already sent by (output started at /home/culture2/public_html/forum/admin/applications_addon/ips/calendar/sources/hooks.php:151) in /home/culture2/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 141

above my forum that is quite annoying

Status:	Duplicate
Version:	3.3.0
Fixed In: