I discovered a limitation in iClone yesterday, while making my latest video English lesson. I wanted to use iClone to introduce some videos into my project, but iClone interrupted and said that I had reached the limit of 4 videos. I had a choice of making around 8 separate projects, 4 videos to a project, or trying something else. I opted for the latter and used After Effects to introduce the videos after rendering the narrator in iClone. It worked okay, but I would have liked to have been able to put the videos on animated screens in iClone instead.

Any idea why there is a 4 video limit on iClone?

V2Melody
V2Melody is where my three great passions converge: poetry, music, and technology. Here, I explore the musicality inherent in poetry, using modern tools to craft arrangements that breathe new life into beloved verses.

I've used more than 4 videos -- are you sure it isn't a memory limitation with your GPU?

And how and what are you using?  (I use Popvideo, on billboards).  I haven't tested this in a while (not since about 7.1) but I can test again to be sure.

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

This video has some great video clip moments. 
@5:04 is BRILLIANT.
I am also very familiar with @6:21....probably got caught watching @6:32

Great video!

Can't confirm this...
Quick test with 17 videos (mp4) as plane or billboard:

Win 10, gtx 1070



Toystorylab on Vimeo :     Crassitudes (my "Alter Ego") on Youtube: 

Then it must be to do with the 3D VFX Motion Montage Vol 2 action panel, Blinds-Whole, that I was using, rather than iClone in general. I will try using different action panels for the next video and see what happens.
Thanks for your help, and your positive comments.

V2Melody
V2Melody is where my three great passions converge: poetry, music, and technology. Here, I explore the musicality inherent in poetry, using modern tools to craft arrangements that breathe new life into beloved verses.

Well, the panel you mention only has 4 (3+1 side) slots to insert a video :D
I just checked having 3 Panels (Blinds Whole) in my scene, each of them can carry 3 Videos...
So, that were 9...




Toystorylab on Vimeo :     Crassitudes (my "Alter Ego") on Youtube: