Method '%1$s', while executing within a constrained execution region, makes a call at IL offset 2$04X to '%3$s', which is ...

Method '%1$s', while executing within a constrained execution region, makes a call at IL offset 0x%2$04X to '%3$s', which is virtual and cannot be prepared automatically at compile time. The caller must ensure this method is prepared explicitly at runtime before entering the constrained execution region.