fixed blocking important issues

pkg/authorization/authorization.go

@@ -318,6 +318,12 @@ func (s *Service) ValidateToken(tokenString string) (*TokenValidationResult, err
 			"user_id": claims.UserID,
 			"error":   err.Error(),
 		})
+		return &TokenValidationResult{
+			Valid:   false,
+			Claims:  nil,
+			Error:   "session validation unavailable",
+			Expired: false,
+		}, nil
 	} else if invalidated {
 		return &TokenValidationResult{
 			Valid:   false,