On the technic launcher, when I press play, the minecraft client shows up as being unresponsive.
Upon checking the logs, the final lines leading up to the error seem to be
[B#498] 2019-12-27 17:47:24 [INFO] [STDOUT] Starting up SoundSystem...
[B#498] 2019-12-27 17:47:25 [INFO] [STDOUT] Initializing LWJGL OpenAL
[B#498] 2019-12-27 17:47:25 [INFO] [STDOUT] (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[B#498] 2019-12-27 17:47:25 [SEVERE] [Minecraft-Client] Realms: Server not available!
[B#498] 2019-12-27 17:47:25 [WARNING] [Buildcraft] Unable to read from remote version authority.
[B#498] 2019-12-27 17:47:25 [WARNING] [Buildcraft] java.io.FileNotFoundException: https://dl.dropboxusercontent.com/u/38558957/Minecraft/Buildcraft/version.txt
[B#498] 2019-12-27 17:47:25 [INFO] [Buildcraft] Version check attempt 3 failed, trying again in 10 seconds
[B#498] 2019-12-27 17:47:25 [INFO] [STDOUT] OpenAL initialized.
[B#498] 2019-12-27 17:47:25 [INFO] [STDOUT]
[B#498] 2019-12-27 17:47:27 [WARNING] [EE3] Version check stopping after three unsuccessful connection attempts
[B#498] 2019-12-27 17:47:35 [INFO] [Buildcraft] Version check failed
Buildcraft seems to not be able to be installed here?
Note: I'm not using a mojang account; I'm using an old account.