Question

How to avoid Try_Cast error on creation of FlexiCapture database?

Answer

Check which version of SQL Server you are using. Most likely this error means the version is older as expected.

Check which versions are supported in FlexiCapture Administrator's Guide:

FlexiCapture Administrator's Guide can be found here:
https://help.abbyy.com/en-us/flexicapture/12/admin_guide/demo_requirements/