2.3 gingerbread – How to fix corrupted IMEI number?

I have a Samsung Galaxy S GT-I9003 running GINGERBREAD.XXKPE. Right now when I type *#06# in the phone app, the popup shows:
Link to image

I recreated the image with my paint editor because I didn’t want to use my camera. This is still an exact recreation of it.
How would I put the IMEI back into memory? I have the IEMI from the back of the phone saying: *5**07/0*/9****7/*
I hid some numbers for obvious reasons. How would I put the