After Effects warning: cannot output to his format because it is not currently installed ( 39 :: 99 )

[braunarts]

I recently installed the latest AE ( as of 25 July 2017) but when I went to the Render Queue I received this error msg:

"After Effects warning: cannot output to his format because it is not currently installed ( 39 :: 99 )"

Can any one help?

[2064597755F9D]

Also having the same exact issues upon upgrading to Catalina. screengrab of error message here:

[jeigrafico]

The solution is to close Quicktime if you have them open, and put all the files you use in After in a folder, and voila!

[Andrew5D1A]

Try making sure that you have a format selected under Output module first.