SDXTL FAQs & Troubleshooting SDXTL Not your product? Sort by Updated Date Popularity 3 Results 1. 22/01/2020 “The entered text cannot be used.“ appears on the computer screen. 2. 22/01/2020 List of Error Messages for CanvasWorkspace (Others) 3. 11/03/2019 "Please register your machine." appears on the computer screen. Error Messages FAQs & Troubleshooting