data->CheckDerived(num,1,"dimensions",ach,Standard_False);
// --- own field : prefix ---
- StepBasic_SiPrefix aPrefix;
+ StepBasic_SiPrefix aPrefix = StepBasic_spExa;
Standard_Boolean hasAprefix = Standard_False;
if (data->IsParamDefined(num,2)) {
if (data->ParamType(num,2) == Interface_ParamEnum) {