popup in conflict by sending header and cookie

[trude76]

In usage with the popup enxtension there’s an issue with sending header. The popup is working so far. But it creates following warning message:

Warning: Cannot modify header information – headers already sent by (output started at /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php:1) in /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php on line 3

Additionally it’s in conflict by the same issue with my fast secured contact form plugin that use sending cookies for captcha. If I activate that plug the warning messages looking like following:

Warning: Cannot modify header information – headers already sent by (output started at /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php:1) in /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php on line 3

Warning: session_start() [function.session-start]: Cannot send session cookie – headers already sent by (output started at /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php:1) in /home/megajob/public_html/wp-content/plugins/si-contact-form/si-contact-form.php on line 1947

Warning: session_start() [function.session-start]: Cannot send session cache limiter – headers already sent (output started at /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php:1) in /home/megajob/public_html/wp-content/plugins/si-contact-form/si-contact-form.php on line 1947

Even the popup is working in rest of functions – but the messages looks too ugly.

And so I’d become very happy if someone could kick me to an advice to solve that issue.

[trude76]

So I deactivated the contact form plugin to see what happens.

In admin popup preview there’s the following error permanetly present:

Warning: require(/home/megajob/public_html/wp-content/plugins/newsletter/popup/themes///theme.php) [function.require]: failed to open stream: No such file or directory in /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php on line 28

Fatal error: require() [function.require]: Failed opening required '/home/megajob/public_html/wp-content/plugins/newsletter/popup/themes///theme.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php on line 28

and in frontend is it still:

Warning: Cannot modify header information - headers already sent by (output started at /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php:1) in /home/megajob/public_html/wp-content/extensions/newsletter/popup/iframe.php on line 3

nad up from here there’s no conflict with another plugin. I can deactivate all other plugins. The error stays the same.

[Stefano]

Hi, tonight I’ll try to find out this problem. It seems the page which generate the content of the popup is outputting some text before other plugins are able to take actions.

Stefano.

[Author]

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