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jikuja

legacy FTB Launcher developer
Launcher Developer
Global Moderator
Dec 17, 2013
1,134
111
99
What did you test? At least you have not applied workaround which fixes the problem.
 

jikuja

legacy FTB Launcher developer
Launcher Developer
Global Moderator
Dec 17, 2013
1,134
111
99
On the launcher go to options then click the force update button, then launch the modpack.