This message appear when I try to import file from cinema 4D when I render
To use .aec files, you need to install the associated plug-in from Maxon.
Where can I find it ?
That's C4D format so you should look for it on Maxon pages. Plugin for AE you can find f.eg. here: MAXON | 3D FOR THE REAL WORLD: Plugins
Retrieving data ...