Suddenly Im getting php errors when creating, editing, deleting members or viewing downline etc. errors are
A PHP Error Was Encountered
Severity: Notice
Message: Only Variable References Should Be Returned By Reference
Filename: Core/Common.Php
Line Number: 257
A PHP Error Was Encountered
Severity: Warning
Message: Cannot Modify Header Information - Headers Already Sent By (Output Started At /Home4/......./Public_html/Affiliates/System/Core/Exceptions.Php:185)
Filename: Libraries/Session.Php
Line Number: 306
A PHP Error Was Encountered
Severity: Warning
Message: Cannot Modify Header Information - Headers Already Sent By (Output Started At /Home4/...../Public_html/Affiliates/System/Core/Exceptions.Php:185)
Filename: Helpers/Url_helper.Php
Line Number: 542