Don’t use Commas (,) in Database Entry Names, ITM File Names, Don’t Use Them Anywhere.
Similar to Best Practice #1 (Don’t use Double Quotes), you should avoid using commas. Commas are the delimiting character in a CSV file. Using a comma can throw off the data columns in data exports that use the CSV file format.
Below, you can see Autodesk let a comma slip into a file name in their Metric Configuration.Yes – Ancillary in Ancillary Kit