Commit a3c1c8ba authored by Andreas Hartmetz's avatar Andreas Hartmetz
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Thumbnails: Add back the error() before the error return

The missing error() caused an assertion failure in
SlaveBasePrivate::verifyState("get()") - it is not allowed to
return from get() without calling error() or finished().
parent b46ec2e8
Pipeline #77700 passed with stage
in 6 minutes and 45 seconds