Unable to proceed with plot, text interface for Quest AN INDESPENSABLE ALLY is blank

[smartybacon]

On arriving in the area of Roseguard, I was able to see the text and complete the first quest. The NPC text boxes are blank after that. The normal dialog boxes (yellow) are blank, but I can click past them.

The third dialog box on the step of "Speak with Matoya." in that quest, however, is a dark gray box. I am unable to interact with it in any way, beyond dragging it around the screen. Having looked at a friend's interface, mine is not even the right size and shape. The cursor does not change no matter where I hover over the box, except for at the top when it allows me to drag the interface.

I can provide a screenshot.

Thank you

(EDIT) this is not my current main character. I was unable to select my current main character in order to set up a forum account.