Cannot change the password via webmail interface
The following errors occurring for RoundCube:
PLESK_ERROR: An error occurred!
Could not save new password.
PLESK_ERROR: Failure in changing password for Poppassd Server: No prompt returned from server.
A side-effect of Plesk bug #PPPM-10986, that will be fixed in future Plesk updates.
Until fix will be available the following workaround applicable: