The SOLIDWORKS 2020 error code typically signifies an "Invalid (inconsistent) license key" . This occurs when the license manager encounters a mismatch between the license file and the vendor daemon, or when a subscription has expired and needs a refresh. The Lifecycle of Error (-8, 544, 0): An Overview
Once the reactivation process confirms success, return to the tab. Click Start to resume the licensing service. (-8, 544, 0) The SOLIDWORKS 2020 error code
The License Manager must always be the than the SOLIDWORKS software installed on client machines. Check activation count: same version or newer The