Module

Developer
Supported

PDF Press

ExpressionEngine 2, ExpressionEngine 3, ExpressionEngine 4, ExpressionEngine 5

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‘Unable to stream pdf: headers already sent’

General

Zack Morgan
Zack Morgan

Hey Pat,

I just installed PDF Press 4.0.3 on EE 5.3.2 (PHP 5.6), and am getting an error in the Control Panel preview:

Warning

file_get_contents(http://siteurl.co.uk/): failed to open stream: HTTP request failed! HTTP/1.1 503 Service Temporarily Unavailable

user/addons/pdf_press/mod.pdf_press.php, line 396

Severity: E_WARNING
Unable to stream pdf: headers already sent

This displays even before I choose a template to preview, ie not template-related.

Any ideas how I can fix this?