RADIUS support for MS-CHAPv1 and MS-CHAPv2 fails

after i installed guacamole in my machine i get this error when i try to connect using radius 

16:39:55 localhost server: 16:39:55.514 [http-bio-8080-exec-8] ERROR o.a.g.a.r.RadiusConnectionService - No such RADIUS algorithm: MD4 MessageDigest not available
Apr 8 16:39:55 localhost server: 16:39:55.532 [http-bio-8080-exec-8] WARN o.a.g.r.auth.AuthenticationService - Authentication attempt from 192.168.234.139 for user "TestUser" failed.

when i use pap, chap authentification it's passed , but using  mschapv1,mschapv2 the connection doesn't passe