Support » Plugin: Sliced Invoices - WordPress Invoice Plugin » Header Error when I try to pay an Invoice

  • Resolved rollingtech


    When i want to pay an Invoice I get this error

    Warning: Cannot modify header information – headers already sent by (output started at /home/somefolder/wp-content/themes/themename/base.php:9) in /home/somefolder/wp-includes/pluggable.php on line 1210

    The “error” corresponding with this line of my base.php file
    <html <?php language_attributes(); ?>>

    Im using SAGE to develop my custom Theme

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  • Plugin Author SlicedInvoices


    Hi there, I see you also opened a support ticket on our website for this same issue, so I will go ahead and close this thread as a duplicate. If you have any further questions please let us know on the existing support ticket. Thanks!

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