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                                  • Some legacy or poorly designed databases may have invalid expressions specified as database column default values. The database server silently ignores such values. However, calling the UpdateSchema method may result in InvalidCastException when an invalid default column value is encountered.
                                    It would be better to ignore invalid values like the database server does.

                                • Fitzroy F. Wright 05.28.2018

                                  Based on this comment I searched my db for any such invalid Default Values,

                                  I found a field which should have a string where my default was NEWID(). The field is intended to contain a GUID.
                                  After removing the default the application started up normally.

                                  I have not yet installed the hotfix.

                                • Michael (DevExpress Support) 05.28.2018

                                  Thank you for your feedback.
                                  Note that using newid() as the default value for a primary key property has no effect when new rows are inserted by XPO because key property generation for the Guid type is always performed on the client side.

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