It will be difficult for anyone to help you without any details about your setup. What's your CKEditor version? Which file browser are you using? How are you trying to upload the file? What is the file name? Have you checked whether you have permissions to upload to this directory?
It will be difficult for
It will be difficult for anyone to help you without any details about your setup. What's your CKEditor version? Which file browser are you using? How are you trying to upload the file? What is the file name? Have you checked whether you have permissions to upload to this directory?
Documentation Manager, CKSource
See CKEditor 5 docs, CKEditor 4 docs, CKEditor 3 docs, CKFinder 3 docs, CKFinder 2 docs for help.
Visit the new CKEditor SDK for samples showcasing editor features to try out and download!