Unable to add weight to geometric network

[HaniDraidi]

When I add a length-weight to the geometric network an error occurs (Shown below).

Regards,

Hani

[ATTACH=CONFIG]34243[/ATTACH]

[ATTACH=CONFIG]34244[/ATTACH]

[ATTACH=CONFIG]34245[/ATTACH]

[ATTACH=CONFIG]34246[/ATTACH]