This seems like a form element level validator would fix this by verifing that only a single new file is being posted. Perhaps compare to existing files added to the field, and make sure only one new file is added at a time.<div><br></div><div>Lucas<br><br><div class="gmail_quote">On Wed Jan 14 2015 at 8:06:42 AM Nancy Wichmann <<a href="mailto:nan_wich@bellsouth.net">nan_wich@bellsouth.net</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><span>They need to be able to upload another file on the next update, so setting it to one doesn't work.<br></span></div><div> </div><br><div></div><blockquote style="border-left:2px solid rgb(16,16,255);margin-left:5px;margin-top:5px;padding-left:5px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div> <hr size="1"> <font face="Arial"> <b><span style="font-weight:bold">From:</span></b> muhammed naushad <<a href="mailto:naushunaushad24@gmail.com" target="_blank">naushunaushad24@gmail.com</a>><br><b><span style="font-weight:bold"></span></b></font></div></div></div></blockquote></div></div><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><blockquote style="border-left:2px solid rgb(16,16,255);margin-left:5px;margin-top:5px;padding-left:5px"><div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><br><div><div><div dir="ltr">You can
set maximum number of values users can enter for this field to be one. <div><br clear="none"></div><div>Go to admin >> select the field from content type >> update the number of values<br clear="none"><div><br clear="none"></div><div>If you want to keep this settings as unlimited then you can use form validation function. </div><br></div></div></div></div><br></div></div></div></blockquote></div></div>--<br>
[ Drupal support list | <a href="http://lists.drupal.org/" target="_blank">http://lists.drupal.org/</a> ]</blockquote></div></div>