Salesforce deployment preview errors explained

Unknown picklist value
Cannot delete record type
Cannot delete flow
You cannot change the fullName property of an element.
Account Owner Report Cannot be Enabled
Deployment of case assignment rule that references a predefined case team is not supported
Duplicate Rules must be in sequential order
Modifying an element from a managed package may not be allowed
DataCategoryGroup deployment may be destructive
Multi-currency Deployment Preview Errors
Deployment Preview errors for Installed Packages
Creation/Deletion of Standard Field/Object is not allowed
Data instances are not supported in Validation deployments
Installed packages cannot be added/deleted through Salto