FCKeditor Unknown You are using a feature that requires $cookie_domain to be set, but it is not set in your settings.php. A few Drupal users have reported the presence of this warning message in the status reports of their Drupal site. If you are encountering this warning in the status report of your Drupal site then continue reading to solve the problem.
Drupal users who migrated from the FCKEditor to CKEditor realized that there was no easy way to Upload images in CKEditor. The reason was that unlike FCKEditor there is no upload tab available in the CKEditor browser unless CKFinder is used which requires a commercial license. If you are looking for way to overcome this limitation then continue reading.
A few Drupal users have found out that their Drupal FCKeditor is not interpreting the HTML correctly in the content and the tags are getting outputted as plain text. If you are facing the same scenario in the FCKeditor in your Drupal site then read on to find out the solution.
The Drupal FCKeditor by default allows only the admin user to access the Browse Server buttons to upload files. This is done as a security precaution. Many Drupal users have requested for a method to enable the Browse Server button for non admin users who can be trusted. If you need this feature in the FCKeditor in your Drupal website then continue reading.
A few Drupal users have encountered a situation where the FCKeditor removes the content within style tags. The output seems to come correctly with the styling included but the problem occurs when the user goes back to edit it when they realized that the inline stylesheet is missing.
"The server didn't reply with a proper XML data. Please check your configuration." A few Drupal users who have configured the FCKEditor to use file uploading using the built in file uploader received this error message when they clicked on the Browse Server button. If you find the same error message in your Drupal website then continue reading to get it solved.