Couldn't load shader file 'VaOcean_VS_PS' (crash on load project)

[K-eL]

I'm using engine 4.3.1, and I got this crash message right after copy the new plugin files to my project plugins folder:

---

!Id:f79096c71186840aa1cfa0af4872b619

Unknown exception - code 00000001 (first/second chance not available)

Couldn't load shader file 'VaOcean_VS_PS'

KERNELBASE + 42141 bytes
UE4Editor_Core + 3009507 bytes
UE4Editor_Core + 1775850 bytes
UE4Editor_ShaderCore + 131453 bytes
UE4Editor_ShaderCore + 85076 bytes
UE4Editor_ShaderCore + 118825 bytes
UE4Editor_ShaderCore + 94610 bytes
UE4Editor_ShaderCore + 145412 bytes
UE4Editor!FEngineLoop::PreInit() + 9761 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\launchengineloop.cpp:1224]
UE4Editor!GuardedMain() + 236 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\launch.cpp:112]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:207]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

[ufna]

Please read Installation Notes attentively, https://github.com/ufna/VaOcean/wiki#installation , step 3 ;)