My textboxes are empty after an option is selected.

Hi, I've been having an issue lastly in which when a dialogue branches into separate dialogues and you select one, the text afterwards is not shown until some empty textboxes and boxes showing a single 0 show up. I've tried to troubleshoot this but I haven't been able. I also have another problem that happens to every first dialogue on each textbox, that basically, instead of showing the typing effect, the text just appears all at once. Here's the code:

Script
/// @param...

My textboxes are empty after an option is selected.