误差NG02100在角度上的意义是什么
问题
从一段时间以来，我们在应用程序中出现了一个错误:NG02100。我的问题是，我不知道正在进行什么，除了导航栏中的一个项外，其他所有东西都在工作，但它的代码与其他组件的代码相同。
我试过检查文档，但是错误并没有记录在那里。有没有其他人有这个错误，可以帮助解决？
我们在我们的应用程序中使用这些角包作为参考：
"@angular/animations":"^13.2.1","@angular/common":"^13.2.1","@angular/compiler":"^13.2.1","@angular/core":"^13.2.1","@angular/forms":"^13.2.1","@angular/localize":"^13.2.1","@angular/platform-browser":"^13.2.1","@angular/platform-browser-dynamic":"^13.2.1","@angular/router":"^13.2.1","@angular/service-worker":"^13.2.1","@angular-devkit/architect":"^0.1302.2","@angular-devkit/build-angular":"^13.2.2","@angular-devkit/core":"^13.2.2","@angular-devkit/schematics":"^13.2.2","@angular-eslint/eslint-plugin":"~1.0.0","@angular-eslint/eslint-plugin-template":"~1.0.0","@angular-eslint/template-parser":"~1.0.0","@angular/cli":"^13.2.2","@angular/compiler-cli":"^13.2.1","@angular/language-service":"^13.2.1",