From 7fed34fa30754ed6157159f572d3c24b1084b963 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Sun, 18 Feb 2018 15:24:28 -0500
Subject: [PATCH] Hide Accessed row in attachment box when provided

If, say, a link without an access date is created via an import
---
 chrome/content/zotero/bindings/attachmentbox.xml | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/chrome/content/zotero/bindings/attachmentbox.xml b/chrome/content/zotero/bindings/attachmentbox.xml
index 58b3e3969..a58ca153b 100644
--- a/chrome/content/zotero/bindings/attachmentbox.xml
+++ b/chrome/content/zotero/bindings/attachmentbox.xml
@@ -260,10 +260,17 @@
 						if (this.displayAccessed) {
 							this._id("accessed-label").value = Zotero.getString('itemFields.accessDate')
 								+ Zotero.getString('punctuation.colon');
-							this._id("accessed").value = Zotero.Date.sqlToDate(
-									this.item.getField('accessDate'), true
-								).toLocaleString();
-							accessed.hidden = false;
+							let val = this.item.getField('accessDate');
+							if (val) {
+								val = Zotero.Date.sqlToDate(val, true);
+							}
+							if (val) {
+								this._id("accessed").value = val.toLocaleString();
+								accessed.hidden = false;
+							}
+							else {
+								accessed.hidden = true;
+							}
 						}
 						else {
 							accessed.hidden = true;