After Effects crashing when rendering png sequence to a network

[Soluis12]

Hello,

We work via a network and have recently found a problem when rendering PNG sequences to the network. This used to work fine, the last AE update was in April and i am pretty sure i have successfully rendered PNGS to the network since then so i don't think an AE update has caused the issue. The first error that comes up is:

followed by

and finally it sometimes comes up with the following... (although sometimes its only in the render log. )

"After Effects: AEGP Plugin PNGIO Support: Unable to create PNGIO. (5027 :: 12)"

I have tried this from 3 machines, i have ruled out any plugins or source assets as i have made a New AE project and comp with nothing in it and i still get the same errors. We use After Effects 2017 and it is up to date.

We have a work around as it works through Media Encoder or we can render straight to our local machines and copy over however i find media encoder slower to render and copying the files is an added process that slows down our workflow so i would like to find a solution.

We used to have a similar issue where we could not render any .mov to our network, this was resolved in an AE update about a year ago.

Cheers in advance,

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[Jose Panadero]

It looks like a permissions problem writing on your network directory. Try if you can render to a local directory. If it works, check the permissions on your network drives.

[Soluis12]

Cheers Jose,

It does work when rendering locally however permissions have been set as far as they can go.  It works fine in Media encoder to the network, or any other file format from AE.  Its only with Png's so i don't really think it's network permissions causing the error.

[Kevin-Monahan]

Hi brucecameron,

What is the bit depth of those PNGs? Does it work with 8 bit PNGs?

Thanks,
Kevin