Since TYPO3 V6, stdWrap is automatically applied to "USER/USER_INT" object by TYPO3, without any additional php code.
With the additional stdWrap at then end of main_news() function, the stdWrap is applied twice.
Solution : return normal $content.
return $content;
https://github.com/rupertgermann/tt_news/blob/48ed4ba59c5795bcfe4538d3e999f82705fdc05e/Classes/Plugin/TtNews.php#L466
Since TYPO3 V6, stdWrap is automatically applied to "USER/USER_INT" object by TYPO3, without any additional php code. With the additional stdWrap at then end of main_news() function, the stdWrap is applied twice.
Solution : return normal $content.
return $content;