A PHP error was encountered

Message:

header(): Passing null to parameter #3 ($response_code) of type int is deprecated

Location:

/home/o9mh2ewaflig/public_html/rhvac.com/system/core/codebreeder/codebreeder.php on line 380

Trace:

#1 [internal function]: {closure}()
#2 /home/o9mh2ewaflig/public_html/rhvac.com/system/core/codebreeder/codebreeder.php(380): header()
#3 /home/o9mh2ewaflig/public_html/rhvac.com/system/core/codebreeder/view.php(238): CodeBreeder_Core::setHeader()
#4 /home/o9mh2ewaflig/public_html/rhvac.com/system/core/codebreeder/codebreeder.php(196): CodeBreeder_View::display()
#5 /home/o9mh2ewaflig/public_html/rhvac.com/system/core/codebreeder/codebreeder.php(82): CodeBreeder_Core::execute()
#6 /home/o9mh2ewaflig/public_html/rhvac.com/index.php(114): CodeBreeder_Core::initialize()
#7 {main}