File(s) not opened for edit

Whenever I try to upload something via Perforce in the editor, I get the above message.

It’s incredibly infuriating. The connection test is successful. I can mark files for checkout and so on.
But as soon as I try to check-in this happens:

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/Blueprints/BP_PlayerControler.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/Blueprints/Mountain_PlayerControler.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/BP_HUD.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/EmptyPage.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/EntryCheked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/EntryUncheked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/onglet.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/PClicked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Picture1.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Picture2.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Picture3.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Picture4.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Play.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/PUnclicked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Sans_titre.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/SClicked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Sound1.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Sound2.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Stop.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/SUnclicked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/TClicked.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Text1.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Text2.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/Text3.uasset - file(s) not opened for edit.

Error C:/Users/Adinimys/Documents/Unreal Projects/Mountain/Content/NoteBook/TUnclicked.uasset - file(s) not opened for edit.

Error No files to submit.
Submit failed -- fix problems above then use 'p4 submit -c 61'.

Any help to get this fixed would be appreciated. It’s bad enough that just setting P4 up on a single computer always have problems, regardless of precautions. Don’t need this added to the workload ._.

I had this issue and I forgot to set the stream for my workspace. It solved my problem.

This is absolutely correct thank you for this, I know this is a dead thread but it saved me and an employee so much work.