Uml designer 7.0 Loading models error

Question

error log with eclipse oxygen 4.7.0 An internal error occurred during: "Loading models". loader constraint violation: when resolving field "IS_DETACHMENT" the class loader (instance of org/eclipse/osgi/internal/loader/EquinoxClassLoader) of the referring class, org/eclipse/sirius/business/internal/session/danalysis/DanglingRefRemovalTrigger, and the class loader (instance of org/eclipse/osgi/internal/loader/EquinoxClassLoader) for the field's resolved type, com/google/common/base/Predicate, have different Class objects for that type But when I change to eclipse neon uml designer is well