Web extension error codes
Error code: 401
Failure: You are not autheticated to PassMan
Solution: log in to PassMan
It is also worth to increase the maximum session length (max.: 2000 minutes).
The value can be adjusted in PassMan, uder User settings:
Error code: 511
Failure: Vault is closed in PassMan
Solution: Open the Vault or ask administrator to open it.
The extension requires an open vault status to read data (username/ password) from it.