fatal error draft :DGN CE...

DEAR

i dont understand something in draft

For some sheet ,when i want export in dgn with default dra-gen-configue
i have this message :a fatal error has been detected,program must exit

i dont see why ,these sheet can pe export in dxf without problem and other lot of  sheet can be export with this dgn config.
someone can help me?

Thank you

DEAR

i dont understand something in draft

For some sheet ,when i want export in dgn with default dra-gen-configue
i have this message :a fatal error has been detected,program must exit

i dont see why ,these sheet can pe export in dxf without problem and other lot of  sheet can be export with this dgn config.
someone can help me?

Thank you