Generell problem with macro

Please notice, the macros (?) {{IconArea}}, {{IconNode}} (and so on) are actually displayed as “LangSwitch Error: no default”.

My knowledge of the Wiki is not sufficient for a deeper analysis. Maybe experts can help here ?

additional information (based on
čeština symbol
Deutsch symbol
English error
español symbol
français symbol
italiano error
русский symbol
فارسی symbol
日本語 symbol