Do you remember those errors also appeared in MPLAB 8.30 ( ? ), when PBP 2.50 was released ???
Thought about that, but it only affected DT_INTS-18.
He's using -14 here.

And as shown, it compiles without error here on a 16F690.
PBP2.60A
MPASM 5.36 from MPLAB 8.53, using MCS+.