Old versions that is before 1.6.1 cannot be launched on sub-folders and their jar signature is invalidated.
Does deleting options.txt in the folder you want to start the version in solve the issue?
options.txt
Yes, solved
Reporter: Hayden Wong
Assignee: (Unassigned)
Created: 2019-05-28T10:48:07Z
Updated: 2025-04-27T17:32:11Z
Resolved: 2019-05-29T11:54:48Z
Confirmation Status: Unconfirmed
Labels:
Retrieved 2025-05-31T11:33:41Z
Does deleting
options.txt
in the folder you want to start the version in solve the issue?