Missing ";" before " 'template<' " 4.17

Development Programming & Scripting C++
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1

Looks like my engine file is wrong，but I have never changed this file.
G:\dpEngine_songming\DpEngine\Engine\Source\Runtime\Core\Public\Math/UnitConversion.h(13): error C2143: Grammatical errors: lack“;”(before“‘template<’”)
47>G:\dpEngine_songming\DpEngine\Engine\Source\Runtime\Core\Public\Math/UnitConversion.h(13): error C4430: Missing type specifier - assumed int

2

Line 13 of my UnitConversion.h looks like:

template<typename NumericType> struct FNumericUnit;
3

it is same with your code:(