Error:could not find or load main class net.ftb.legacylaunch.launch

  • Tech Support section is for getting help with FTB related problems. If there's a repeatable issue that can be labeled as a bug, then please use the issue tracker for the pack or the app at GitHub issue trackers - If there's no repository for a pack that means that the pack is old and/or will not be updated. Bugs for older packs will not be fixed, unless they are critical.
  • The FTB Forum is now read-only, and is here as an archive. To participate in our community discussions, please join our Discord! https://ftb.team/discord

ct57890

New Member
Jul 29, 2019
2
0
0
Title:
Error:could not find or load main class net.ftb.legacylaunch.launch
Launcher Version:
1.4.8
Modpack:
FTB Unleashed
Modpack Version:
1.1.7
Log Link:
Details of the issue:
Trying to start unleashed and it gives me this error constantly, I have no clue what is wrong
 

jikuja

legacy FTB Launcher developer
Launcher Developer
Global Moderator
Dec 17, 2013
1,134
111
99
"Error: Could not find or load main class net.ftb.legacylaunch.Launch"

I don't know what to say except: On the launcher go to options then click the force update button, then launch the modpack. That might fix the thing if earlier download failed.