[keycloak-user] Migration Problem

Hi , after upgrading form 1.7 to 1.9.1 i get this error when trying to login with master realm user: 10:52:45,478 WARN [org.keycloak.hash.PasswordHashManager] (default task-101) Could not find hash provider HmacSHA1 for password 10:52:45,478 WARN [org.keycloak.events] (default task-101) type=LOGIN_ERROR, realmId=master, clientId=security-admin-console, userId=614f9a9e-37a2-4fa8-aa62-5a8c547c5f58, ipAddress=127.0.0.1, error=invalid_user_credentials, auth_method=openid-connect, auth_type=code, redirect_uri=https://localhost:8443/auth/admin/master/console/, code_id=1a3b9e6d-538c-46c0-9762-6a92b76fcaec, username=xxx Password is right so i guess the problem is in the first warning ... how can i fix this ? Thank-you in advance, Alessandro -- Ing. Alessandro Segatto Software Engineer Research and Development *ESTECO S.p.A.* - AREA Science Park, Padriciano 99 - 34149 Trieste - ITALY Phone: +39 040 3755548 - Fax: +39 040 3755549 | www.esteco.com Pursuant to Legislative Decree No. 196/2003, you are hereby informed that this message contains confidential information intended only for the use of the addressee. If you are not the addressee, and have received this message by mistake, please delete it and immediately notify us. You may not copy or disseminate this message to anyone. Thank you.