Error with KDE, deleting folders.

When I try to delete folders I get this error.

Code:

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creating folders is not supported with protocall trash.

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Any ideas what it means?

Go to Konqueror settings > select configure Konqueror.
Select Behaviour.
Check the "show delete button which bypasses the trashcan".

Create an association.
Add :/trash to the "all" section.

Do you mean File Assiciations? Because if you do, it dosn't work.

EDIT: It kept deleting itself, no idea why. I fixed it now, thank you. :D