GeoGen Script reference
GGE2701

A string format template had incorrect formating marks in it.

This may include completely broken marks (such as unclosed opening mark bracket or non-numeric replacement index) or wrong replacement index.

Print("Hello { Haha"); // GGE2701, unclosed formatting mark bracket
Print("Hello {aa} "); // GGE2701, only numbers can be contained in formatting marks
Print("Number is {2}", 6.14, 2.56); // GGE2701, too few arguments
Print("Number is {0}", 6.14); // OK