Missing LSP4E source plugin in p2 snapshot

Looks like current p2 https://download.eclipse.org/lsp4e/snapshots/plugins/ is broken, I'm unable to install lsp4e sources

Wed Sep 10 15:19:54 CEST 2025
Artifact not found: https://download.eclipse.org/lsp4e/snapshots/plugins/org.eclipse.lsp4e.source_0.18.27.202509091731.jar.

java.io.FileNotFoundException: https://download.eclipse.org/lsp4e/snapshots/plugins/org.eclipse.lsp4e.source_0.18.27.202509091731.jar
	at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryStatusHelper.checkFileNotFound(RepositoryStatusHelper.java:316)
	at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.checkException(FileReader.java:525)
	at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.sendRetrieveRequest(FileReader.java:481)
	at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.readInto(FileReader.java:397)
	at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.download(RepositoryTransport.java:137)
	at org.eclipse.oomph.p2.internal.core.CachingTransport.download(CachingTransport.java:145)
	at org.eclipse.equinox.internal.p2.repository.Transport.downloadArtifact(Transport.java:151)
	at org.eclipse.equinox.internal.p2.artifact.repository.DefaultArtifactManagerServiceFactory$DefaultArtifactManager.getArtifact(DefaultArtifactManagerServiceFactory.java:53)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.downloadArtifact(SimpleArtifactRepository.java:758)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.downloadArtifact(SimpleArtifactRepository.java:676)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.getArtifact(SimpleArtifactRepository.java:890)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.getArtifact(MirrorRequest.java:366)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transferSingle(MirrorRequest.java:335)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transfer(MirrorRequest.java:253)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.perform(MirrorRequest.java:166)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.getArtifact(SimpleArtifactRepository.java:870)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.DownloadJob.run(DownloadJob.java:69)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Start by checking the p2 snapshot plugins repository URL and the referenced org.eclipse.lsp4e.source_0.18.27.202509091731.jar artifact. Trace how the snapshot contents are published, then verify that the source plugin is present and installable from the reported URL.