Error in ionic serve

Hi all, I do get scss error when I run the ionic serve -l
ionic version :

Error :
✗ node_modules/ionic-angular/components.core.scss
Error: Import directives may not be used within control directives or mixins.
on line 34 of node_modules/ionic-angular/components.core.scss

@import “fonts/ionicons”;

Please let me know if there is something that I have to do get rid of this error.