Sorry that you cannot print from Photoshop Elements as Organizer says it's busy.
I cannot recall this issue or can provide any suggestions to help the cause as I am not sure what exactly is happening when you attempt to print. To gather some more details, please share the below info:
A screenshot of the error message.
Version of Photoshop Elements are you using.
Operating system (Mac or Windows) that you are using Elements Organizer on?
Make and model of printer and the version of printer driver.