Deprecated: substr_count(): Passing null to parameter #1 ($haystack) of type string is deprecated in /data/www/Omeka/export/vendor/mpdf/mpdf/src/Mpdf.php on line 11563
Deprecated: substr_count(): Passing null to parameter #1 ($haystack) of type string is deprecated in /data/www/Omeka/export/vendor/mpdf/mpdf/src/Mpdf.php on line 11563
Deprecated: substr_count(): Passing null to parameter #1 ($haystack) of type string is deprecated in /data/www/Omeka/export/vendor/mpdf/mpdf/src/Mpdf.php on line 11563
Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in /data/www/Omeka/export/pdf.php on line 19
Fatal error: Uncaught ValueError: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty in /data/www/Omeka/export/pdf.php:22
Stack trace:
#0 /data/www/Omeka/export/pdf.php(22): DOMDocument->loadHTML()
#1 {main}
thrown in /data/www/Omeka/export/pdf.php on line 22