Expression newsMap.keySet is undefined on line 63, column 32 in content.ftl.
The problematic instruction:
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==> list newsMap.keySet() as ntId [on line 63, column 25 in content.ftl]
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Java backtrace for programmers:
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freemarker.core.InvalidReferenceException: Expression newsMap.keySet is undefined on line 63, column 32 in content.ftl.