C4D scenes dont open with new Daily Build from Corona 12 March 11.

[luis.lab]

Hi,

In the new Daily Build from Corona 12 March 11, when I close a C4D scene (saved with the new daily installed) and open it again this scene will appear 100% loaded in the C4D task manager but never open. I tested with several scenes. I could only open it again when installing back the Corona 11 last stable release.

Anyone have the same issue, so I can understand what is wrong?
Thank you

[tiglat_agora]

Good morning Luis,

I have the same problem. You have to wait forever to open a scene. I tested it with a scene created in Cinema4d 2024.3.2.
The loading time in corona 10 (hotfix2) according to the task manager built into C4D is 0:00min and in the current daily 1:17min for the same file (see attachment). If you have a big scene, it may take some time.

I think it has something to do with the Corona materials and the Corona proxies. If I delete all materials and convert all proxies, the file loads normally.

Maybe everything will work if you start a completely new project. But I don't have time for more tests.
I'm back in Corona 10 (hotfix2) because I have to constantly work with "old" files.

In general, there is currently a problem with Corona materials in cinema. As already described elsewhere in the forum, Corona materials always lose the connection to the textures when you save them in the Cinema4D Asset Browser and then reinsert them into a project.

My system: AMD Ryzen Threadripper 3970X with 128GB RAM, RTX2080 SUPER and Win11 23H2
I'm working with Cinema4D R26, 2023.2.2 and 2024.3.2

I wish everyone a good start into the week.

[Beanzvision]

Hi there, are you able to share a test scene for us? If so, please feel free to use the link in my signature below. One note, please use the "save project with assets" option when doing so.

[tuami]

Same here, dont know its a Maxon or a Corona releated thing. We have here scenes that will load up in 1 hour. scenes that will load up before in max 30 seconds.
We did test this on a network drive with 10gbit and nvms and local on nvms, same problem.

tiglat can you try "2024.1.0" scene will load up faster here seems hotfix 2 corona 10 work here

[runx]

Same here !

[frv]

I could open a few months old file, 1,5Gb. I couldn't open a 3,3 Gb file from jan.

I hardly use the asset browser anymore since there are too many conflicts with CR. Although I haven't tested those for months.

Mac Studio 128Gb ram
C4D 2024 3.2
CR 12 version 11 03 2024

[rafaz]

+ 1 here,

Since you mention I was having this issue but I tought it was my c4d.

[Beanzvision]

Does anybody have an old scene we can test?

[luis.lab]

Hi Bengamin.

I could not send the scene file when you asked before in the previous post.
But I reinstalled the daily build again to make a test scene to send you and just before uploading I tested it and was working. So... seems if I "save with assets" and open it again, works. Like was suggested in this post already, maybe the issue is with the links from materials/proxies to the Asset Browser and/or Chaos Cosmos folder.

I still did not find time to build up a new scene with the Daily Built installed (maybe also works) instead of opening an old scene.
Best

[CBAS VISUAL]

Same here, since the 02.14 daily build build.
I rolled back to the January build, everything work fine.

[Stefan-L]

i must say i have the same now on one PC, AMD Ryzen Threadripper 3970X , c4d r2024.2.
 i had to revert back to january daily, feb and march build didnt open the file, i tried to let it open for more than 25min, but it seems to hang forever at 100% loading

and also manually remove chaos scatter februar version and use the one from january.
maybe that hints to something that it might be related t5o chaos scatter? (only reverting Corona itself didnt help)

EDIT: i found that it might be related to some c4d and or vray 6 materials i had in the scenes that didnt open. i still think this should not prevent the file to open in older version this was no issue. once i removed all vray and also all c4d materials the files open fast

[Stefan-L]

any news on the slow / not loading of scenes?

this is quite a problem, on my main render server many scenes not or only very slow load (even if i delete all non corona materials).
pls try to fix that soon

THX!

[Beanzvision]

No news sorry. I've asked twice for a test scene and no one has supplied one. I haven't been able to reproduce this issue here.

[Stefan-L]

i try to give you one, i have to ask for permission first. the problem is is opens on one pc (dual xeon) but not the other 3070 threadripper. both same c4d, same search paths.

the same scene open sin few seconds on 2023 on same threadripper, so it must be some with corona and R2024.
my guess ti is related to shaders or materials, or missing textures(which happens in fast production scenes but normally doesnt matter).

[luis.lab]

Hi
As was mentioned before, maybe the problem needs to be reproduced locally. Another day I packed a scene to send you, but when I "save project with assets"  and open again from there opens normally, making it no meaning to send it.
Like Stefan say, probably has someting to do with the links to Asset Browser from Proxy, material etc.

Best