Hi there!
If you are using any third party apps, you may need to close these applications first to troubleshoot further.
For more information, please review the Third Party Application help article, linked below.
https://help.bungie.net/hc/en-us/articles/360049199891-Destiny-2-PC-and-Third-Party-Application-Feature-Compatibility
English
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it is not very helpfull... :(