While trying to design a model which is all steel members, the following error pops up; SteelCollection.dll not registered. I have included a snipping of the error window. Any help would be great. Regards, Scott

Hi all I am checking a tubular member to API-RP2A-WSD and wanted to do the following: 1. Beam 2 ALL Calculate moments at 1/12th points and at each end along the beam and use the maximum Mz locatio for design. 2. TRACK 2 ALL This is for…