Lightning 2.8b1 isn't working with SeaMonkey 2.23. Has the same look as the screen shot for this bug, but not the error message.
I do see several calendar errors in the SM error console. Timestamp: 12/13/2013 11:11:00 AM Warning: Use of Mutation Events is deprecated. Use MutationObserver instead. Source File: chrome://calendar/content/widgets/calendar-widgets.xml Line: 496 Timestamp: 12/13/2013 11:11:00 AM Error: TypeError: Components.classes[cid] is undefined Source File: resource://calendar/modules/calUtils.jsm -> file:///home/wls15202/.mozilla/seamonkey/w97glyp9.default/extensions/%7Be2fda1a4-762b-4020-b5ad-a41df1933103%7D/calendar-js/calUtils.js Line: 22 Timestamp: 12/13/2013 11:11:00 AM Error: Components.classes['@mozilla.org/calendar/datetime;1'] is undefined Source File: resource://calendar/modules/calUtils.jsm -> file:///home/wls15202/.mozilla/seamonkey/w97glyp9.default/extensions/%7Be2fda1a4-762b-4020-b5ad-a41df1933103%7D/calendar-js/calDateTimeFormatter.js Line: 25 Timestamp: 12/13/2013 11:11:00 AM Error: NS_ERROR_XPC_GS_RETURNED_FAILURE: Component returned failure code: 0x80570016 (NS_ERROR_XPC_GS_RETURNED_FAILURE) [nsIJSCID.getService] Source File: chrome://calendar/content/calUtils.js Line: 98 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/1244619 Title: Thunderbird must be upgraded to Thunderbird 24.0.1 for lightning 2.6.1 Status in Lightning extension: Confirmed Status in Mozilla Thunderbird Mail and News: Confirmed Status in “thunderbird” package in Ubuntu: Fix Released Status in “thunderbird” package in Gentoo Linux: Fix Released Status in “thunderbird” package in openSUSE: Fix Released Bug description: Since the upgrade of Lightning 2.6.0 to Lightning 2.6.1, this extension need Thunderbird 24.0.1 but Ubuntu only give Thunderbird 24.0.0 https://blog.mozilla.org/calendar/2013/10/dont-upgrade-to-thunderbird-24-0-1-yet/ "Update 4: Lightning 2.6.1 is now public. On Linux, it is compatible ONLY with Thunderbird 24.0.1, so go ahead and upgrade now." A lot of people don't use the Ubuntu package for Lightning but those of Mozilla. Ubuntu should give an upgrade to Thunderbird 24.0.1 and Lightning 2.6.1 Step: 1) Silent update of Lightning 2.6.0 to Lightning 2.6.1 on Thunderbird 24.0.0 2) Open your calendar and see nothing (see screencast) A work form it's to downgrade to Lightning 2.6 until waiting Ubuntu upgrade to Thunderbird 24.0.1. You could find it here: https://addons.mozilla.org/fr/thunderbird/addon/lightning/versions/?page=1#version-2.6 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: thunderbird 1:24.0+build1-0ubuntu0.12.04.1 ProcVersionSignature: Ubuntu 3.8.0-32.47~precise1-generic 3.8.13.10 Uname: Linux 3.8.0-32-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.6 Architecture: amd64 BuildID: 20130913160939 Date: Fri Oct 25 12:30:44 2013 InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120425-15:28 MarkForUpload: True SourcePackage: thunderbird UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/lightning-extension/+bug/1244619/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

