KB-1172 "Error copying the Appian document to the remote server... Caused by: 4: Write exception: There is not enough space on the disk" error thrown when running SFTP smart servicehttps://community.appian.com/support/w/kb/389/kb-1172-error-copying-the-appian-document-to-the-remote-server-caused-by-4-write-exception-there-is-not-enough-space-on-the-disk-error-thrown-when-running-sftp-smart-serviceen-USTelligent Community 12KB-1172 "Error copying the Appian document to the remote server... Caused by: 4: Write exception: There is not enough space on the disk" error thrown when running SFTP smart servicehttps://community.appian.com/support/w/kb/389/kb-1172-error-copying-the-appian-document-to-the-remote-server-caused-by-4-write-exception-there-is-not-enough-space-on-the-disk-error-thrown-when-running-sftp-smart-serviceMon, 06 Mar 2017 16:57:58 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:a03ef655-129b-4f28-8572-8701e8a76569Nick Vigilantehttps://community.appian.com/support/w/kb/389/kb-1172-error-copying-the-appian-document-to-the-remote-server-caused-by-4-write-exception-there-is-not-enough-space-on-the-disk-error-thrown-when-running-sftp-smart-service#commentsCurrent Revision posted to Appian Knowledge Base by Nick Vigilante on 3/6/2017 4:57:58 PM<br /> <div class="row content_container"> <h2 id="symptoms">Symptoms</h2> <p>The SFTP smart service fails with an error code of 4. The following is season in the application server log</p> <pre>[ajp-/0.0.0.0:8009-11] ERROR com.appiancorp.process.engine.UnattendedJavaActivityRequest - An error occurred while executing activity: id=##SOME ID##, classname=com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP [stdout] (ajp-/0.0.0.0:8009-11) com.appiancorp.suiteapi.process.exceptions.SmartServiceException: userMsg[error.file_transfer=Error copying the Appian document to the remote server. See application server log for more details.] INFO [stdout] (ajp-/0.0.0.0:8009-11) Caused by: 4: Write exception: There is not enough space on the disk. </pre> <h2 id="cause">Cause</h2> <p>This happens because the SFTP server does not have sufficient disk space to receive the file. A more exhaustive list of SFTP error codes can be found <a href="https://winscp.net/eng/docs/sftp_codes">here</a>.</p> <h2 id="action">Action</h2> <p>You should either add more storage or free up some space on the SFTP server and try the transfer again.</p> <h2 id="affected-versions">Affected Versions</h2> <p>This article applies to all versions of Appian.</p> </div> <p>Last Reviewed: March 2017</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: process models, application design</div>