Message+ glitch after data transfer on LG G4, how can I fix this?

[AC Question]

Message+ glitch after data transfer on LG G4

I put my SIM card into my replacement phone (G4-G4), tried to restore my messages, and got roughly 20,000 messages (spanning from the time I received my old G4 until now). Now Message+ will not work. How can I fix this? Thanks.