Applies To
	Product(s):	STAAD.Pro
	Version(s):	All
	Environment:	N/A
	Area:	Steel Design
	Subarea:	IS 800:2007
	Original Author:	Surojit Ghosh

**ERROR**: BASIC SECTION DIMENSONS HAVE NOT BEEN PROVIDED. MEMBER # XXX CANNOT BE DESIGNED.

If any user defined section is specified using the Create User Table > General option or imported from the Section wizard, program requires the section dimension of the equivalent i section (D, TD, B, TB) to design the section according to IS800:2007 code. These equivalent i section dimensions are required to check the section class of the section. If any of these dimensions is missing, program is unable perform the design and a warning message is reported in the output file. All the section dimensions along with the property values should be provided to design the section as general I section.