I also get this error after setup my SHC (Search head cluster). But after run the bundle command in the deployer, the error was gone. So, it maybe need to run the bundle command when you setup the SHC to sync the bundle in each SHC for the first time.
Bundle Command:
$~ bin/splunk apply shcluster-bundle -action stage --answer-yes
$~ bin/splunk apply shcluster-bundle -action send -target https://10.x.x.x:8089 --answer-yes
10.x.x.x : One of your SHC members.
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