The issue has been reported in Reckon APS Tax 2019.3.0 whereby the user is trying to create an Activity Statement 2019 and gets the error
"Key not valid for use in specified state.
.Stack Trace: at System.system.security.Cryptograpghy
Please follow the instructions below:
- In Windows Explorer, can you type the following in the address bar:
- That should take you to the Roaming folder. From there, click into Microsoft, then Cryto. In there, rename the RSA folder to something else, and then try creating the Activity Statement.