While upgrading to Appian 18.3, the process analytics engines remain either in REPLAYING or DOWN state. The service_manager.log in <APPIAN_HOME>/logs/ displays the following error:
Unable to decoding KResponse
The error occurs when the data between the process analytics and process execution engines is out of sync.
Reset the process analytics engines using the ResetAnalytics Script.
This article applies to Appian 17.3 and later.
Last Reviewed: August 2018
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