Support » Plugin: Advanced Custom Fields » [Plugin: Advanced Custom Fields] Cannot modify header information error

  • Resolved amanvirk1982

    (@amanvirk1982)


    Getting these errors when I click on the Custom Fields Tab in wp-admin… It happens only when I install multisite… But when I was working offline on my computer, everything was working fine.

    Warning: preg_match() [function.preg-match]: Unknown modifier '1' in /home/finetevj/public_html/niitpalampur.com/wp-includes/class-wp.php on line 201
    
    Warning: preg_match() [function.preg-match]: Unknown modifier '1' in /home/finetevj/public_html/niitpalampur.com/wp-includes/class-wp.php on line 202
    
    Warning: Cannot modify header information - headers already sent by (output started at /home/finetevj/public_html/niitpalampur.com/wp-includes/class-wp.php:201) in /home/finetevj/public_html/niitpalampur.com/wp-includes/option.php on line 563
    
    Warning: Cannot modify header information - headers already sent by (output started at /home/finetevj/public_html/niitpalampur.com/wp-includes/class-wp.php:201) in /home/finetevj/public_html/niitpalampur.com/wp-includes/option.php on line 564

    Does anyone have a fix for this?

    http://wordpress.org/extend/plugins/advanced-custom-fields/

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