I am trying to import a new model, an AD633 multiplier, and have created a new symbol for it. However, I am getting a 'time step too small' type of error. I've tried increasing the Trtol value (as SgtWookie suggested in an older thread) bringing it up to over 20, but still have the same flavor of error. Any suggestions? I've attached the model, symbol (had to zip these to get them to attach) and circuit files. Thank you for your help!