Unique TABINDEXes in a form

The TABINDEX values must be unique in a given form file.

Starting with Genero 3.10, the TABINDEX attribute must be unique in a form layout:
LAYOUT
GRID
{
[f1      ]
[f2             ]
[f3                 ]
}
END
END
ATTRIBUTES
EDIT f1 = FORMONLY.cust_id;
EDIT f2 = FORMONLY.cust_name, TABINDEX=2;
EDIT f3 = FORMONLY.cust_address, TABINDEX=2;
# TABINDEX has to be unique.
# See error number -6847.
END