Texture problems ): sos

[Microsoft Powerpoint]

Having some HL2RP texture problems, Textures become a plain grey colour over time.

Error: Material "debug/debuglightmap" uses unknown shader "LightmappedGeneric_dx8"
Error: Material "debug/debugluxels" uses unknown shader "DebugLuxels"
Error: Material "___fillrate_0" uses unknown shader "FillRate"
Error: Material "___debugnormalmap_1" uses unknown shader "DebugNormalMap"
Error: Material "___debugdrawenvmapmask_2" uses unknown shader "DebugDrawEnvmapMask"
Error: Material "___debugdepth_3" uses unknown shader "DebugDepth"
Error: Material "___debugdepth_4" uses unknown shader "DebugDepth"

R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.
R_DrawDecalsAll: overflowing m_aBatches. Reduce 1048576 decals in the scene.

I don't have TNB or any reskins, I've verified the cache and reinstalled gmod. It happens on I17.