SL-14108 FIXED Viewer crashes immediately after login

indra/llrender/llimagegl.cpp

@@ -1386,6 +1386,15 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
 		return FALSE;
 	}
 
+	if (mHasExplicitFormat && 
+		(mFormatPrimary == GL_RGBA && mComponents < 4) ||
+		(mFormatPrimary == GL_RGB  && mComponents < 3))
+
+	{
+		LL_WARNS()  << "Incorrect format: " << std::hex << mFormatPrimary << " components: " << (U32)mComponents <<  LL_ENDL;		
+		mHasExplicitFormat = FALSE;
+	}
+
 	if( !mHasExplicitFormat )
 	{
         switch (mComponents)