Summary
Problem with memory calculation
The problem is very disabling and is probably related to HLOD, let me explain.
As soon as I run a memory calculation, my character always stays in the same position. It performs the memory calculation in the same spot, validates the memory calculation because it never moves, and then UEFN crashes. It gets stuck on a loading step called “Collecting package dependency information”.
After that, I get the following error:
Fatal error: [File:Z:\UEVFS\Root\Engine\Source\Runtime\Core\Private\GenericPlatform\GenericPlatformMemory.cpp] [Line: 269] Ran out of memory allocating 8923689864 (8510.3 MiB) bytes with alignment 8. Last error msg: Le fichier de pagination est insuffisant pour terminer cette opération..
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Memory
Steps to Reproduce
Step 1: Launch a Fortnite session.
Step 2: Create a private version and start the memory calculation.
Step 3: Wait for the memory calculation to finish.
Expected Result
The memory calculation should be performed over the entire world, but it remains stuck in the same place. UEFN should then validate (or not) the memory calculation for me.
Observed Result
UEFN crashes completely, and the memory calculation is validated even though it should be rejected.
Platform(s)
PC
Island Code
9870-6695-7338
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Ran out of memory allocating 8923689864 (8510.3 MiB) bytes with alignment 8. Last error msg:
The paging file is insufficient to complete this operation.
hi
You need to follow this to add a bigger page file 64gb
How to create a large page file
how to create a page file 64000 64 gb
then restart your PC to install new page file
Hello, thank you very much for your fix. It did unblock UEFN at the end of a memory calculation and I no longer get the error. However, it’s true that I still have this issue where my player always stays in the same place during the memory calculation.
Hi @Krenium_Lorsten ,
The memory calculation is a modal window meaning it takes over all screen window until complete and /fornite/UEFN appear to freeze with background then screen jumps to new location as the display updates.
This is normal operation
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Okay, thank you very much. So, if I understand correctly, in my case, during a memory calculation, even if I see the player remaining in the same place, it still performs the calculation across the entire map, is that right? Perfect, if you confirm that, no problem, thank you for your help. 
hi @Krenium_Lorsten ,
Everything across the base level is in memory calculated.
If you use HLOD level this is not calculated into the memory calculation.
That’s another story!, which is complex back up your project before hand as its very hard to go back!
