"C" is not a valid TYPE. Only specific types are allowed and should be the same as the GTYP of the CATREF you are using.
See SPECON Reference Manual:
4.2 Selectors and Pointers for Structural Components
4.2.1 Applicability
The SPECON headings within this section may apply to components from the following list of GTYPEs:
BASE BEAM BRACe COLUmn FITTing GANTry GIRDer JOINt JOISt KNEE PILE PROFile PURLin RIDGe ROD SCTN SDRAil SPLIce STANchion STIFfener STRUt TIE
"C" is not a valid TYPE. Only specific types are allowed and should be the same as the GTYP of the CATREF you are using.
See SPECON Reference Manual:
4.2 Selectors and Pointers for Structural Components
4.2.1 Applicability
The SPECON headings within this section may apply to components from the following list of GTYPEs:
BASE BEAM BRACe COLUmn FITTing GANTry GIRDer JOINt JOISt KNEE PILE PROFile PURLin RIDGe ROD SCTN SDRAil SPLIce STANchion STIFfener STRUt TIE