Fixing 'Node does not exist, contact support@myetherwallet.com CODE:localstorageNodeMissing' error
This error occurs when setting local cookies aren't allowed and has been observed in the Chrome browser.
Easiest way to fix this is by adding file:///* to the cookie exception list.
1. Go to Chrome settings
2. Go to Advanced
3. Click on "Content Settings"
4. Click on "Cookies"
5. Click add "file:///*"
6. Viola!
You should now be able to add custom tokens offline.
If not, you can always email us at support@myetherwallet.com