A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
The Split functions are in VBA, that they did not work is only a symptom, causes by the MISSING reference.
Repair the reference or change your code to late binding and the issue is gone.
If you need further help please upload your file (maybe with anonymous data) on an online file hoster like www.dropbox.com and post the download link here.
Andreas.