Do you receive any popup messages when you try to add a task? Maybe this bug is similar to bug #58210 ?
-- evolution calendar will not let me add events https://bugs.launchpad.net/bugs/158132 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug contact for evolution in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs