Data could not saved: Bad state (every time - also for new entries)

New entry could not created - data could not saved: Bad state (every time - also for new entries);
Existing entries cannot be changed/modified/edited…

OS: windows “Windows 10 Enterprise” 10.0 (Build 22621)
App: AuthPass (1.9.8+1944) [design.codeux.authpass.msix]
{systemMemoryInMegabytes: 16384}