Error code 504 help

EndNote EndNote How To
1

Hi, 

I received the following error trying to sync:

Sync Details
Sync was last run: Tuesday, January 29, 2019 at 18:05:58 PM +0200
Sync Status: There are changes that need to be sent.
Error Code: Client.Error.Unknown
Error Message: A “Sync” error has occurred (504).

Local Sync Library
Library Name: Endnote Dec 2019.enl
References: 665
Groups: 11
Group Sets: 2
Attachments: 520
Username:

Online Sync Library
Serial Number: 3091850001 (Premium until August 01, 2019)
References: 664
Groups: 11
Group Sets: 2
Attachments: 517 (380.17 MB)

Sync Limits
Number of References: 1000000 (999336 can still be added)
Number of Groups: 5000 (4989 can still be added)
Number of Group Sets: 5000 (4998 can still be added)
Attachment Storage: Unlimited

Any suggestions on how to fix this?

Thanks

2

Please contact Technical Support directly

1-800-336-4474 option 4 then 1

or

https://endnote.com/contact/

We are here to help whenever you run into issues.

3

nope, but would edit out your email address from this publically available forum.  

4

I am also facing same problem, please solved Regards

https://www.mishortstories.com/2019/01/Scary-stories.html