产品授权认证错误 [错误代码:24]

无法读取本地计算机的机器码
授权计算机: Expression license is undefined on line 50, column 49 in LICENSE_INVALID_HTML. The problematic instruction: ---------- ==> ${license.machineMask} [on line 50, column 47 in LICENSE_INVALID_HTML] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression license is undefined on line 50, column 49 in LICENSE_INVALID_HTML. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:135) at freemarker.core.Dot._getAsTemplateModel(Dot.java:78) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.Environment.process(Environment.java:199) at freemarker.template.Template.process(Template.java:259) at cn.net.comsys.ut.license.check.LicenseSecurityFilterChain$LicenseSecurityFilter.doFilter(LicenseSecurityFilterChain.java:157) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:399) at 

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