I'm cpoying files from one Team channel/SP Site (folder under General/Shared Documents of source site) to another. I'm doing this two times in a row and the only thing that differs is the source and destination folders.
The overview:

The details:
Raw output:
{"statusCode":404,"headers":{"Vary":"Origin","X-SharePointHealthScore":"2","X-MS-SPConnector":"1","X-SP-SERVERSTATE":"ReadOnly=0","DATASERVICEVERSION":"3.0","SPClientServiceRequestDuration":"16","SPRequestGuid":"8bc4f87b-d9d4-4122-8122-baf2a61cf2c3","request-id":"8bc4f87b-d9d4-4122-8122-baf2a61cf2c3","MS-CV":"e/jEi9TZIkGBIrryphzyww.0","Strict-Transport-Security":"max-age=31536000","X-FRAME-OPTIONS":"SAMEORIGIN","Content-Security-Policy":"frame-ancestors 'self' teams.microsoft.com *.teams.microsoft.com *.skype.com *.teams.microsoft.us local.teams.office.com *.powerapps.com *.yammer.com *.officeapps.live.com *.office.com *.stream.azure-test.net *.microsoftstream.com *.dynamics.com;","MicrosoftSharePointTeamServices":"16.0.0.21820","X-Content-Type-Options":"nosniff","X-MS-InvokeApp":"1; RequireReadOnly","Timing-Allow-Origin":"*","x-ms-apihub-cached-response":"true","Cache-Control":"max-age=0, private","Date":"Fri, 05 Nov 2021 11:45:12 GMT","P3P":"CP=\"ALL IND DSP COR ADM CONo CUR CUSo IVAo IVDo PSA PSD TAI TELo OUR SAMo CNT COM INT NAV ONL PHY PRE PUR UNI\"","X-AspNet-Version":"4.0.30319","X-Powered-By":"ASP.NET","Content-Length":"168","Content-Type":"application/json","Expires":"Thu, 21 Oct 2021 11:45:13 GMT","Last-Modified":"Fri, 05 Nov 2021 11:45:13 GMT"},"body":{"status":404,"message":"File not found\r\nclientRequestId: 8bc4f87b-d9d4-4122-8122-baf2a61cf2c3\r\nserviceRequestId: 8bc4f87b-d9d4-4122-8122-baf2a61cf2c3"}}
The successful copy:

In Sharepoint:
https://targetdomain.sharepoint.com/sites/NT120/Delte%20dokumenter/Forms/AllItems.aspx?id=%2Fsites%2FNT120%2FDelte%20dokumenter%2FGeneral%2FEmails&viewid=85257897%2Dafc8%2D41cc%2D9b85%2Dec9aaeab7056

The failed copy:

In Sharepoint:
https://targetdomain.sharepoint.com/sites/NT120/Delte%20dokumenter/Forms/AllItems.aspx?id=%2Fsites%2FNT120%2FDelte%20dokumenter%2FGeneral%2FHenvendelsesdokumenter&viewid=85257897-afc8-41cc-9b85-ec9aaeab7056

NB: It makes no difference if I say yes/no to "Include Nested Items". What I would like to do here is to exclude just the Email folder, not other potential folders. Anyway, that is a minor thing.. the error is my real issue.
I hope one of you out there can tell me if this is a Power Automate error, or if I have done something wrong.
Cheers,
Thomas