Log ERROR General

[Habu_69]

DCSW 2.5.1. My logs are always loaded with these types of errors:

 

 

2018-05-22 01:56:25.450 ERROR   DX11BACKEND: Can't open texture land_16_54_20.png for texture array at index 1139.
   
2018-05-22 02:12:16.157 ERROR_ONCE DX11BACKEND: render target 'fftw_foam' not found
       
2018-05-22 01:50:35.510 WARNING DX11BACKEND: Shader model/def_material.fx:BINORMAL_SIZE=3;BLEND_MODE=0;DIFFUSE_UV=tc0;DIRECTX11=true;NORMAL_MAP_UV=tc0;NORMAL_SIZE=3;REFLECTION_MAP;SPECULAR_UV=tc0;TANGENT_SIZE=3;TEXCOORD0_SIZE=2;USE_DCS_DEFERRED=1; is outdated as file bazar/shaders/model/def_material.fx is modified.
           
2018-05-22 01:50:34.411 ERROR   WorldPlugIns: Can't load plugin module P51Base.dll

 

 

Are they expected / normal? Cause for concern?