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simplexml_load_string() seems to complain if $response is not valid.
~ line 1724:
$xml_response = simplexml_load_string($response);
Comments
Comment #1
alex_b CreditAttribution: alex_b commentedThis issue occurs, if the pfpro binaries couldn't be found. I check wether the shell_exec() call returned a valid XML result could help site builders better deal with this issue.