Failed to download file.
Name: forge-1.12.2-14.23.5.2823.jar
URL: http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.12.2-14.23.5.2823/forge-1.12.2-14.23.5.2823.jar
Error details: The requested URL returned error: 404 Not Found
Filename on disk: forge-1.12.2-14.23.5.2823.jar
Path: C:\Users\William\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.12.2-14.23.5.2823\forge-1.12.2-14.23.5.2823.jar
Exists: Nonexistent