Custom Decal problem!

[ExpectedIdentifier]

I have done a custom decal but i just can't get it to show up in my under the decals tab in the level editor, its made after a tutorial so it should work because i have followed it exactly.
Can someone help me? Just need it to show up.

I take it you've tried browsing to the actual location of the texture/mat files? Or did you put the decal in the textures/decals folder?