error: ssh configuration...cannot connect

[foveann]

Error when running sync-all.sh

[user@host scripts]$ bash sync-all.sh dev stage
Reset the stage database and sync up from dev? [y/N] y
Sync the uploads folder? [y/N] y
Success: Exported to 'stage-backup.sql'.
Success: Database reset.
Error: Cannot connect over SSH using provided configuration.
sending incremental file list

Result
Strangely the demo file I placed in the /web/app/uploads folder did successfully get uploaded to the stage environment. But when I removed the demo file and tried to run that same command again, the demo file remained in the stage environment as if it was not updating. It can send the file but cannot delete the file so it doesn't seem to be syncing.

Debug attempts:
I also checked the user 'web' and was able to successfully ssh into my remote server.

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