Failing to export gun model to JMS

[jason jx]

My 3ds max keeps crashing when im exporting my weapon to a jms file when im finished with all positioning the frames and stuff. Im using the max script james model exporter (the latest version from what i know) and yes my custom gun is linked to 'frame gun'. I had gotten a small error when importing the AR gun model for reference but i ignored it however it still imported the model perfectly, if thats anything to do with this problem...

I dont know whats wrong with it but it just crashes and 3d studio max closes... Anyone know whats up?