Get rid of potential NullPointerException when source attachment not found
Get rid of potential NullPointerException when source attachment not found

ccw-ide/ccw,noncom/ccw,laurentpetit/ccw,michelangelo13/ccw,michelangelo13/ccw,laurentpetit/ccw,ccw-ide/ccw,noncom/ccw,ccw-ide/ccw,michelangelo13/ccw,noncom/ccw,laurentpetit/ccw