I’m not sure you quite understand what it takes to update a server to a new version, especially one as large as 1.13.  It is not as simple as just “updating” it.  Plugins have to be updated by their creators, new codes have to be made and redone.  It takes mountains of effort that you do not realize.  Trust Godsdead, he is working on this as fast as he can.  Once again, updates cannot be done by simply just updating.  Just be patient.

Sorry Gods if i’m overstepping by saying this