Let me refer to Issue 0000573 reported by DHLF:

Reason: Critical error:
Out of memory when requesting 22369620 at C:\EnforceNG\Enforce SDK2.1\engine\src\Render\enf_texture.cpp(1385)

Same error in C:\EnforceNG\Enforce SDK2.1\engine\src\Render\enf_texture.cpp(1385) .

Same bug Win7 64bit Ultimate:

HERIN, 12.05 2015 01:55:27
Assertion failed

Program: ...)\Steam\steamapps\common\Take On Mars\TKOM.exe
File: C:\EnforceNG\Enforce SDK2.1\engine\src\Render\enf_rendmain.cpp
Line: 6623

Reason: Critical error:
Out of memory when requesting 22369648 at C:\EnforceNG\Enforce SDK2.1\engine\src\Render\enf_texture.cpp(1385)

[enf::_ShowError]: ??? addr:0x1011e992
[enf::_ShowError]: ??? addr:0x1011e992

(Press Retry to debug the application - JIT must be enabled)

Runtime mode
CLI params: nosplash

EDIT: added timestamps when crashed on this error:

HERIN, 11.05 2015 22:56:05
HERIN, 11.05 2015 22:56:37
HERIN, 11.05 2015 23:18:59
HERIN, 12.05 2015 00:34:33
HERIN, 12.05 2015 00:53:29
HERIN, 12.05 2015 01:19:59
HERIN, 12.05 2015 01:28:26

Special case access violation:

HERIN, 12.05 2015 01:26:19
Unhandled exception

Program: ...)\Steam\steamapps\common\Take On Mars\TKOM.exe
Reason: Access violation. Illegal read by 0 at 0

SymGetSymFromAddr:126, addr:0x00000000
SymGetSymFromAddr:126, addr:0x00000000

(Press Retry to debug the application - JIT must be enabled)

Runtime mode
CLI params: nosplash

After each crash was handled by OS, I started again.