Server rebooting with "Out Of Memory"Not An Issue

(22:51:18) | Could not allocate memory: System out of memory!

Trying to allocate: 1048576B with 16 alignment. MemoryLabel: Physics

Allocation happened at: Line:165 in C:\buildslave\unity\build\Modules/Physics/PhysicsManager.cpp

Memory overview

 

[ ALLOC_DEFAULT ] used: 1743671019B | peak: 0B | reserved: 2025477523B

[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 1048576B

[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 1048576B

[ ALLOC_TEMP_JOB_4_FRAMES ] used: 0B | peak: 0B | reserved: 88080384B

[ ALLOC_TEMP_JOB_ASYNC ] used: 0B | peak: 0B | reserved: 1048576B

[ ALLOC_GFX ] used: 1564440603B | peak: 0B | reserved: 1573884163B

[ ALLOC_CACHEOBJECTS ] used: 743008932B | peak: 0B | reserved: 820785660B

[ ALLOC_TYPETREE ] used: 8721720B | peak: 0B | reserved: 13631488B

[ ALLOC_TEMP_THREAD ] used: 32768B | peak: 0B | reserved: 3866624B

(22:51:18) | [Physics.PhysX] User allocator returned NULL.

What the hell does all that mean?

Generally that would mean that the server ran out of memory, so couldn't function properly.
Yeah, I know it was out of memory, I was just wondering if anything in that mumbo-jumbo above gave a clue as to why ... 

Cheers.
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