Resolved! GlideSysAttachment.copy not working in New York due to sys_email_attachment table
The standard code to copy attachments from an inbound email to a RITM i.e. GlideSysAttachment.copy('sys_email', emailRec.sys_id, 'sc_req_item', ritm.sys_id); doesn't seem to be working anymore in New York. There is a new table now Email Attachments [...
