Error in RAM Connection

Dear Bentley, 

when I try to open some types of connections, this error appears: 

"Access violation at address 10A1E73F in module 'ConnectionDesign.dll'. Read of address 00000000." 

After this error STAAD.Pro crashes. 

What happened? What we can do? 

Thank you 

Ing. Pietro Belluardo

(Heptaproyectos)