lookup - check for value has something in it

lookup.go

@@ -262,6 +262,11 @@ func (i *Info) GetAny(m *MapParams, field string) (any, error) {
 		return nil, err
 	}
 
+	// Make sure value[0] exists
+	if len(value) == 0 {
+		return nil, fmt.Errorf("could not find field: %s", field)
+	}
+
 	var anyValue any
 
 	// Try to convert to int