Texture paint crash always

I switch to paint->change vertices to texture-> select material for paint and on first stroke crash.

MachineId:86F7D957438180464097AB905BDFC679
EpicAccountId:

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

Assertion failed: TextureData->PaintingTexture2D->Source.CalcMipSize(0)==TexturePixels.Num()*sizeof(FColor) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Engine\Source\Editor\MeshPaint\Private\MeshPaintEdMode.cpp] [Line: 2673]

Hi Knack -

Can you give me some information about the Material and Textures you are using in your setup that is causing this crash? (Screenshots are always helpful).

Thank You

Eric Ketchum

Hi Knack -

We would love to help you further but need the additional information requested previously in order to move forward. Hopefully this issue was a short lived and limited in scope for you. If not and it is still occurring please respond to this answer and we will continue to work on this issue for you.

Thank You

Eric Ketchum