Cannot modify header information - headers already sent error

Question

I got an error like

Warning: Cannot modify header information - headers already sent by (output started at /home/ktmbikes/public_html/wp-content/plugins/accessories/accessories.php:256) in /home/ktmbikes/public_html/wp-includes/pluggable.php on line 934

can anyone say whats wrong?

You probably have some text output to the page before you set your headers. Make sure you modify your headers first. — Gohn67, Feb 05 '14 at 09:00
http://stackoverflow.com/questions/8028957/how-to-fix-headers-already-sent-error-in-php — Gohn67, Feb 05 '14 at 09:00
I my case was just a blank space after php final tag, I removed it and this message was gone — Almeida, Mar 11 '19 at 19:02

score 1 · Answer 1 · answered Feb 05 '14 at 11:29

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The plugin file (Accessories) is generating some output. Based on the position I'd guess it's an error message. Do you have WP_DEBUG enabled? Is this a custom built plugin?

Can you paste a block of code from around line 256 in the plugin file?

answered Feb 05 '14 at 11:29

Nathan Dawson

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score 0 · Answer 2 · answered Feb 05 '14 at 12:17

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You do not have a space before or after a <? or ?>

Try save a file as UTF8 without BOM

answered Feb 05 '14 at 12:17

tibo77

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Cannot modify header information - headers already sent error

2 Answers2