In my case the problem solved when i change my hashed password in database from starting '$2a$' to '$2y$'
eg: $2a$12$POGG9oYZvS/8ijd8PiA3Q.bxTMMv4Ca77nIdZ6VFOEJOQGtM4ltUC
to this, $2y$12$POGG9oYZvS/8ijd8PiA3Q.bxTMMv4Ca77nIdZ6VFOEJOQGtM4ltUC