Customer Portal Attach File in incident creation

Summary

Fatal error: Uncaught exception 'RightNow\Connect\v1_3\ConnectAPIError' with message 'File specified could not be found: /tmp/Annotation 2020-07-06 231020.png'

Content

Please help. I'm trying to include add file attachment method in our new form. But Fatal error: Uncaught exception 'RightNow\Connect\v1_3\ConnectAPIError' with message 'File specified could not be found: /tmp/Annotation 2020-07-06 231020.png' was encountered. Below are my code. 

 

Thanks in advance!

Jenny

Version

v1.3

Code Snippet

$incident->FileAttachments = new RNCPHP\FileAttachmentIncidentArray();
$fattach = new RNCPHP\FileAttachmentIncident();
$temporaryName = $exfile;
$uploaddir = get_cfg_var('upload_tmp_dir');
$file = $uploaddir ."/". basename(strval($temporaryName));
$fattach->setFile($file);
$fattach->FileName = $exfile;
$fattach->Name = $exfile;
$incident->FileAttachments[] = $fattach;