[horde] [kronolith] CalDAV / Webdav/ICS after upgrade to 5.1.0 from 5.0.4

[Nobody is Perfekt]

More Infos from Thunderbird/Lightning side.

Sync / Read works but not change / publishing ...



[calICSCalendar] Refreshing TESTCAL
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 0
   status: 15
   due: 15
   category: null
  ----------
[calICSCalendar] Loading ICS succeeded, needs further processing: true
  ----------
[calICSCalendar] Parsing ICS succeeded for 
http://horde.intranet.my-site.de/horde/rpc.php/kronolith/user/user.ics
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 0
   status: 15
   due: 15
   category: null
  ----------
[calICSCalendar] Refreshing TESTCAL
  ----------
[calICSCalendar] Loading ICS succeeded, needs further processing: true
  ----------
[calICSCalendar] Parsing ICS succeeded for 
http://horde.intranet.my-site.de/horde/rpc.php/kronolith/user/user.ics
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 0
   status: 15
   due: 15
   category: null
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 3
   status: 7
   due: 15
   category: null
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 3
   status: 7
   due: 15
   category: null
  ----------
[calICSCalendar] Commencing write of ICS Calendar TESTCAL
  ----------
[calICSCalendar] Writing ICS File 
http://horde.intranet.my-site.de/horde/rpc.php/kronolith/user/user.ics
  ----------
[calICSCalendar] channel.requestSucceeded: false
  ----------
Warnung: Fehler beim Lesen von Daten für Kalender: TESTCAL. Fehlercode: 
DAV_PUT_ERROR. Beschreibung: Publishing the calendar file failed
Status code: 0

  ----------
Fehler: Beim Schreiben in den Kalender TESTCAL ist ein Fehler 
aufgetreten! Fehlercode: MODIFICATION_FAILED. Beschreibung:
Quelldatei: resource://calendar/modules/calUtils.jsm -> 
file:///C:/Users/user/AppData/Roaming/Thunderbird/Profiles/uocsfr81.default/extensions/%7Be2fda1a4-762b-4020-b5ad-a41df1933103%7D/calendar-js/calCalendarManager.js
Zeile: 976
  ----------
[calICSCalendar] Refreshing TESTCAL (forced)
  ----------
[calICSCalendar] Loading ICS succeeded, needs further processing: true
  ----------
[calICSCalendar] Parsing ICS succeeded for 
http://horde.intranet.my-site.de/horde/rpc.php/kronolith/user/user.ics
  ----------
[calFilterProperties] Applying filter:
   start: 0
   end: 0
   status: 15
   due: 15
   category: null