now its working
Modpack nr.123 was updated to version 1.2 8 years ago
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Type in the modpack name (Modpack nr.123) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Modpack nr.123 from the list on the left. The launcher will handle everything else!