Error on CHOP to SOP

Hi there, I’m following the Matthew Ragan tutorial THP 494 & 598 | Simple Instancing | TouchDesigner and am up to 9:00 where I’m trying to connect the Cross to the Chop to Sop operator. As soon as I add in my CHOP to SOP I get the following error:

So when I try drop in and EXPORT TO CHOP it doesn’t work. Just wondering what I’m doing wrong here?
Thanks

Have you checked if you’re passing to the chopto 3 channels named “tx, ty and tz”?

Yes it looks like I am passing to those 3 channels:
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Actually I managed to get it working by changing the channel and scope values. Thanks for your help!