Applications are timing out during the staging process. You may see errors similar to the following:
2026-07-07T17:13:39.912014Z 01O Uploading droplet, build artifacts cache...
2026-07-07T17:13:39.912019Z 01O Uploading build artifacts cache...
2026-07-07T17:13:39.912040Z 01O Uploading droplet...
2026-07-07T17:13:39.912050Z 01O Uploaded build artifacts cache (430.4K)
2026-07-07T17:26:49.798205Z 01O Error staging application my-app: timed out after 15 minute(s)
2026-07-07T17:26:49.798233Z 01O FAILED
In cloud_controller_ng.log you see the droplet.upload job is taking a long time:
Job droplet.upload (id=25572349) (queue=cc-cloud_controller-5) COMPLETED after 858.2366"
Job droplet.upload (id=25565383) (queue=cc-cloud_controller-5) COMPLETED after 824.5839"
Job droplet.upload (id=25566094) (queue=cc-cloud_controller-5) COMPLETED after 827.1386"
Elastic Application Runtime
This can be caused by slow blobstore performance or a problem in the network between cloud controller and your blobstore
Check your blobstore and/or network for any performance issues
To workaround the issue temporarily, you can try increasing the CF_STAGING_TIMEOUT