NSL license backtimed
A -7101 error means that multiple 'backtimed' events have occurred on the client machine's clock, most commonly done in an attempt to run a license past its expiration date. More information may be found at https://support.nalpeiron.com/hc/en-us/articles/360005390853-What-happens-when-backdating-a-trial-or-activation-
Solution
Delete the license file (*.lic) in the license directory (WorkDir) and re-license.