External API: Cannot get series if description field is empty

Steps to reproduce

Steps to reproduce:
1. Create series only with the required fields. (e.g. AdminUI: just the title is required)
2. Go to "External API Series Service REST Documentation".
3. Try to get the created series. (GET /{seriesId})

Actual Results:
Status: 500 (Server Error)

Expected Results:

Status: 200 (OK)

{
"identifier": "90fe8a1c-8c02-487b-af0e-3eb992338ab0",
"creator": "Administrator",
"opt_out": false,
"created": "2017-10-26T13:24:51Z",
"subjects": [],
"organization": "mh_default_org",
"organizers": [],
"description": "",
"publishers": [],
"contributors": [],
"title": "asdf"
}

Workaround (if any):
Add description to series.

Status

Assignee

Sven Stauber

Reporter

Gregor Eichelberger

Severity

Incorrectly Functioning With Workaround

Tags (folksonomy)

None

Components

Fix versions

Affects versions

4.0

Priority

Major
Configure