Updated to 5.x-1.8, still not working, still writing permission denied for /tmp files

This is the error message on the sitemap page:

* The selected file files/tmp/fileEqZw4J could not be uploaded, because the destination is not properly configured.
* The selected file files/tmp/fileUj5EDx could not be uploaded, because the destination is not properly configured.
* warning: readfile(): Unable to access files/tmp/drupal_gsitemap/URL/index.xml.gz in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* warning: readfile(files/tmp/drupal_gsitemap/URL/index.xml.gz): failed to open stream: Success in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* The selected file files/tmp/fileA2nIor could not be uploaded, because the destination is not properly configured.
* The selected file files/tmp/filesl2Hrl could not be uploaded, because the destination is not properly configured.
* warning: readfile(): Unable to access files/tmp/drupal_gsitemap/URL/index.xml.gz in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* warning: readfile(files/tmp/drupal_gsitemap/URL/index.xml.gz): failed to open stream: Success in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* The selected file files/tmp/fileciVMlj could not be uploaded, because the destination is not properly configured.
* The selected file files/tmp/fileo9jQuh could not be uploaded, because the destination is not properly configured.
* warning: readfile(): Unable to access files/tmp/drupal_gsitemap/URL/index.xml.gz in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* warning: readfile(files/tmp/drupal_gsitemap/URL/index.xml.gz): failed to open stream: Success in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* The selected file files/tmp/file2JkCuW could not be uploaded, because the destination is not properly configured.
* The selected file files/tmp/fileETlUuW could not be uploaded, because the destination is not properly configured.
* warning: readfile(): Unable to access files/tmp/drupal_gsitemap/URL/index.xml.gz in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.
* warning: readfile(files/tmp/drupal_gsitemap/URL/index.xml.gz): failed to open stream: Success in /home/virtual/site459/fst/var/www/html/URL/modules/gsitemap/gsitemap.module on line 508.

Trying to access the sitemap URL the give error is:

XML Parsing Error: no element found
Location: http://exploded.awcr.org/sitemap
Line Number 1, Column 1:
^