[Faddey]

What does the message mean:

Heap overflow

error code = 206
ExtraInfo = Heap exhausted. Request=1863677784 (0x6F157758)

heapOverflow (runtime_exception)
runtime_exception::runtimeExceptionRaiser
pfc\exception\runtime_exception.pro(21,65)
----------------------------------------
C:\SLV\MCS\Servers\IeServer\vipKernel.dll (0x14003BF6)
OS: Windows 10.0 Version 1809 (OS Build 17763.379) 64-bit ServerStandard

[Thomas Linder Puls]

It means that you use more memory than available. Why is impossible to say without seeing the code that cause the problem.