The migration '20210103231918_AddProperties' has already been applied to the database. Revert it and try again. If the migration has been applied to other databases, consider reverting its changes using a new migration instead. code example

Example: The migration '20200806160941_InitialMigration' has already been applied to the database. Revert it and try again. If the migration has been applied to other databases, consider reverting its changes using a new migration.

dotnet ef database update 0
dotnet ef migrations remove

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