Failed to set up the project of 1.13 (Unable to download some resource)

[g122622]

Version: 1.13 When I imported build.gradle into IntelliJ, I encountered the following error message: Could not GET 'http://repo.hexeption.co.uk/artifactory/list/Strezz-Central/net/minecraftforge/Srg2Source/maven-metadata.xml'. Received status code 502 from server: Bad Gateway Any help or suggestions on how to resolve this would be greatly appreciated!