Also. I found this info:
"... If you are using Linux and installed Thunderbird and/or Lightning by using the package manager of your distribution, then these how-tos are not applicable - please contact the support of your Linux distribution to get help. ..."
from here: https://support.mozilla.org/en-US/kb/calendar-updates-issues-thunderbird
Hi all,
according to this site https:/ /developer. mozilla. org/en- US/docs/ Mozilla/ Calendar/ Calendar_ Versions# Development_ Snapshots - TB 60.2.1 requires 6.2.2.1 version of Lightning
Also. I found this info: /support. mozilla. org/en- US/kb/calendar- updates- issues- thunderbird
"... If you are using Linux and installed Thunderbird and/or Lightning by using the package manager of your distribution, then these how-tos are not applicable - please contact the support of your Linux distribution to get help. ..."
from here:
https:/
Cheers