Does this customer has issues with wrong PDFs (from another company/contact) attached while sending emails via maintenance "create open invoice customer statement".
It sounds very similar to that.
Try to debug FormLinkDocumentFileNames().
are the activity set as Hansamanuals said?
https://www.hansamanuals.com/main/mailnumber___62526/theconf___231/manuals/version___20250224/langcode___es/hwconvindex.htm?shortcode=HW0301SETTINGS_Order...
SendWebRequest3 is a boolean function, so if this returns true and the reply header has an accepted status, you can assume that the data was sent successfully and perform some actions on the record th...
