I am attempting to rename my files on import with LR4. I am selecting the "Custom Name-Original file number" option, but not getting the result I want. For a file with the number 0123, from the camera, when I put SMITH in the custom text box I should get "SMITH-0123" however I get a file that looks like "SMITH-2-134" and the sequence goes from there. The next file could have a name like "SMITH-3-199". Often there are a few in order, then is skips. I have no other files in this folder with the same custom name, so it's not seeing it as a duplicate. Any ideas as to how I can correct this naming?