Don't fail if processDocuments() processor returns undefined

Follow up to 157b8deda9
2016-05-26 00:33:19 -04:00 · 2016-05-26 00:33:19 -04:00 · e4bc4c028d
commit e4bc4c028d
parent 2f47eae3ff
1 changed files with 1 additions and 1 deletions
--- a/chrome/content/zotero/xpcom/http.js
+++ b/chrome/content/zotero/xpcom/http.js
@ -864,7 +864,7 @@ Zotero.HTTP = new function() {
 			}
 			
 			// If processor returns a promise, wait for it
-			if (maybePromise.then) {
+			if (maybePromise && maybePromise.then) {
 				maybePromise.then(() => doLoad())
 				.catch(e => {
 					if (exception) {