Due to some changes on our end, the autoconfig URLs have changed. This requires you to edit your Arma3Sync entries for the repo(s).
https://cdn.clearbackblast.com/required/.a3s/autoconfighttps://cdn.clearbackblast.com/mod_alive/.a3s/autoconfighttps://cdn.clearbackblast.com/mod_asr/.a3s/autoconfighttps://cdn.clearbackblast.com/mod_ww2/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_dynasound/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_ess/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_hrp/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_immersive/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_dragonfyre/.a3s/autoconfighttps://cdn.clearbackblast.com/opt_nocrosshair/.a3s/autoconfigOpen Arma3Sync and select the Repositories tab. Then proceed to click + (Plus) button on the right side to open the Add New Repository window.
Paste the autoconfig URL into the textbox, press Import, then press OK. The repo for the autoconfig URL is now updated with the new settings, and can be used as normal.
First off try updating your Java Runtime Environment and trying it again. Failing that, mention @Admin in #workshop on discord.