When there are some problems with bookmarks, the SDK will block the running program.
ConsoleApp4.zip (13.0 KB)
We were able to reproduce the similar behavior of the API in our environment. Therefore, an issue as PDFNET-51243 has been logged in our issue tracking system. We will further look into its details and keep you posted with the status of its correction. Please be patient and spare us some time.
We are sorry for the inconvenience.