Efiling a rejected return due to dependent claiming themselves then amending their return

[abcstepm]

parents return was rejected due to son claiming themselves.  son then prepared an amended return to be a dependent.  Parents return is still being rejected.  any advise as to how to efile the parents return,

[rbynaker]

Wait a couple months until the dependent's amended return is processed.

[IRonMaN]

Wait for the amended return to be processed through the system