Hello
I have installed your main plugin “Download Manager” and also purchased and installed “PDF Stamper”
I have done all the settings for the pdf stamper and created a pdf that should be downloaded for free and a time stamp on it.
When I click on the download button it generates a critical error related to the PDF Stamper plugin.
Below are the details regarding the Error.
Warning: Undefined array key “horizontal” in /public_html/wp-content/plugins/wpdm-pdf-stamper/wpdm-pdf-stampers.php on line 219
Warning: Undefined array key “vertical” in /public_html/wp-content/plugins/wpdm-pdf-stamper/wpdm-pdf-stampers.php on line 220
Fatal error: Uncaught SetaPDF_Core_Writer_Exception: Some data has already been output. PDF couldn’t be send. in /public_html/wp-content/plugins/wpdm-pdf-stamper/libs/Core/Writer/Http.php:110 Stack trace: #0 /public_html/wp-content/plugins/wpdm-pdf-stamper/libs/Core/Document.php(1715): SetaPDF_Core_Writer_Http->finish() #1 /public_html/wp-content/plugins/wpdm-pdf-stamper/wpdm-pdf-stampers.php(328): SetaPDF_Core_Document->finish() #2 /public_html/wp-content/plugins/wpdm-pdf-stamper/wpdm-pdf-stampers.php(121): WpdmPdfStampers->processPDF() #3 /public_html/wp-includes/class-wp-hook.php(308): WpdmPdfStampers->fileProcess() #4 /public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #5 /public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /public_html/wp-content/plugins/download-manager/src/wpdm-start-download.php(28): do_action() #7 /public_html/wp-content/plugins/download-manager/src/__/Apply.php(312): include(‘/home/u24941600…’) #8 /public_html/wp-includes/class-wp-hook.php(308): WPDM\__\Apply->triggerDownload() #9 /public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #10 /public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #11 /public_html/wp-settings.php(623): do_action() #12 /public_html/wp-config.php(190): require_once(‘/home/u24941600…’) #13 /public_html/wp-load.php(50): require_once(‘/home/u24941600…’) #14 /public_html/wp-blog-header.php(13): require_once(‘/home/u24941600…’) #15 /public_html/index.php(17): require(‘/home/u24941600…’) #16 {main} thrown in /public_html/wp-content/plugins/wpdm-pdf-stamper/libs/Core/Writer/Http.php on line 110
Please tell me why I am getting this error.
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