npm remove @ngx-translate/core --save
npm install @ngx-translate/core@9.1.1 --save
you could probably also stick to http-loader 2.0.1
npm remove @ngx-translate/http-loader --save
npm install @ngx-translate/http-loader@2.0.1 --save
npm remove @ngx-translate/core --save
npm install @ngx-translate/core@9.1.1 --save
you could probably also stick to http-loader 2.0.1
npm remove @ngx-translate/http-loader --save
npm install @ngx-translate/http-loader@2.0.1 --save