FreeMarker syntax is invalid.

Failed to "?eval" string with this error:

---begin-message---
Syntax error in ?eval-ed string in line 1, column 30:
Lexical error: encountered "u" (117), after "\"\\".
---end-message---

The failing expression:
==> rootElement.selectSingleNode("//dynamic-element[@field-reference='banner_image']").element("dynamic-content").getText()?eval [in template "template_id" at line 10, column 22]

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FTL stack trace ("~" means nesting-related):
- Failed at: bannerImageObj = rootElement.selectSi... [in template "template_id" in macro "getValues" at line 10, column 5]
- Reached through: @getValues item=item [in template "template_id" in macro "neoLatestsNewsItem" at line 43, column 3]
- Reached through: @neoLatestsNewsItem item=item [in template "template_id" at line 61, column 9]
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