The issue with using KATANA™ Zirconia ONE and CEREC©MC XL is resolved with the following software update with version 5.2.5.
Please contact Dentsply Sirona customer support at the link below to receive the 5.2.7 updated software:
https://www.dentsplysirona.com/en-us/customer-support/contact-us.html
Thank you for your patience as we worked to resolve the issue as quickly as possible.