Packaging failed - Fmemory doesn't support

Development Platform & Builds
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Hi all,

I’ve a big issue : i can’t package my projet.

The cook failed, with this log message :

FMemoryWriter does not support data larger than 2GB. Archive name: F:/Salle_Haussmanienne/Content/Salle_Haussmanniene/Maps/Haussman_06.umap.

I searched on Google and UE4 AnswerHub, and I found this answer : my map is too big, i need to cut her in few parts…

But…I’ve juste 1 room, in just 1 level…it’s not really too big :confused:

The .umap is 250 Mo, and all of my texture, 450 Mo

I already cooked this map in the past, and the only different, it’s all of my prop are 2048 lighmap resolution now. ( but I need this resolution, and 2048 it’s not " crazy" :o )

do you have any idea about my problem ?

2

I ve more informations :

I’ve two version of my projet :

1 - without Blueprints for custom my room

2 - with blueprints ( I can switch material on floor, wall, chair etc… )

Packaging without blueprint is successfull, but with blueprint, it’s Fmemory failed.

But I still don’t know why it’s a fail with my bleuprint…