B Mathur 33 Questions 198 Answers 3 Best Answers 433 Points View Profile 0 B Mathur Professional Asked: February 11, 2017In: Computer Science, Programmer's World, Web & Internet Warning: Cannot modify header information – headers already sent by 0 How to resolve the error “Warning: Cannot modify header information – headers already sent by” Share Facebook 0 Answers Voted Oldest Recent Random WebGuru India 12 Questions 130 Answers 2 Best Answers 290 Points View Profile WebGuru Explainer Added an answer on December 5, 2017 at 1:50 pm Please check the following that might be help you to get this resolve 1. Remove Extra spaces or lines before <?php or after a closing?> php tag 2. Check Unparsed HTML before the Header.If exist then remove it. 3. Body content sent before the Header. 4. Incorrect PHP Encoding Format. Fix #1: Upload a Fresh Copy Upload a Fresh Copy via Cpanel/FTP.If it’s a regular plugin or theme file, you can uninstall and reinstall it. Fix #2: Edit the Trouble File If you identified the Trouble File, you can download the file from FTP, or you can edit it directly in cPanel. 0 Reply Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Leave an answerCancel replyYou must login or register to add a new answer.