Error is not readable, the texture memory can not be accessed from scripts

Error Console:
"Error is not readable, the texture memory can not be accessed from scripts"
UnityException: Texture 'Picture2012823105015(1)' is not readable, the texture memory can not be accessed from scripts. You can make the texture readable in the Texture Import Settings.
UnityEngine.Texture2D.GetPixels (Int32 x, Int32 y, Int32 blockWidth, Int32 blockHeight) (at C:/BuildAgent/work/aeedb04a1292f85a/artifacts/EditorGenerated/TextureBindings.cs:245)
EtceteraUIManager.OnGUI () (at Assets/Plugins/EtceteraAndroid/demo/EtceteraUIManager.cs:89)

solution :