7 TroubleshootingData Sending/File Sharing Problems and Remedies 7-17RemedyCheck the following:Check the settings of the WebDAV server.Check the settings of the proxy server.Cause 5 According to the request from the WebDAV client, the HTTP protocolversion which is not supported by the WebDAV server is used.Remedy Check the settings of the WebDAV server.Cause 6 The disk space on the WebDAV server was insufficient to process therequest from the WebDAV client.Remedy Free up sufficient disk space on the WebDAV server. is displayed when you try to send to a WebDAV server.Cause Proxy server authentication failed.Remedy See step 10 in "Settings Common to TCP/IPv4 and TCP/IPv6(p.3-23),"to confirm the settings of the proxy server.