I was entering a date today and wanted to enter yesterdays date. LSS, I messed up my script and who knows what I put in the field. I found the

Well, having a backup is a good way to undo major damage. The revert record menu command is a good way to undo changes to a record if you happen to notice the error before you exit the record. Other than that, you can create an audit trail field (see the samples forum for a couple of examples). The book by Moyer and Bowers ( see the resources forum) describes an audit trail technique that's complete with a rollback feature.

As for run-on sentences, try changing some of the commas to periods.