0005712: Cannot accept invite from Thunderbird when event not saved in organizator calendar - SOGo

ID	Project	Category	View Status	Date Submitted	Last Update

0005712	SOGo	Backend Calendar	public	2023-03-14 17:17	2023-03-14 17:17

Reporter	MartinL	Assigned To
Priority	normal	Severity	minor	Reproducibility	always
Status	new	Resolution	open
Product Version	5.8.0

Summary	0005712: Cannot accept invite from Thunderbird when event not saved in organizator calendar
Description	If someone create an event from an external service and invite an other SOGo user in same domain, when user try to accept the invitation on Thunderbird, an error 412 is triggered when Thunderbird put event on server via CalDAV. Everything work fine if the user accept the invitation on SOGo web mail or if the organizer import the event on his SOGo calendar.
Steps To Reproduce	Create an event on an external service (Nextcloud, online web meetting, ...) with email address of a sogo user Invite an other sogo user in same domain when the other sogo user receive invite email on Thunderbird, click on "Accept" and select his sogo calendar An error popup appear "MODIFICATION_FAILED": server reply with 412
Tags	CalDAV, invite

Date Modified	Username	Field
2023-03-14 17:17	MartinL	New Issue
2023-03-14 17:17	MartinL	Tag Attached: CalDAV
2023-03-14 17:17	MartinL	Tag Attached: invite