Component "ISISDraw Interactive Molecular Sketcher" is configured to run by reference. However, the master component cannot be found.

Hi,

I used to use a protocol containing a component opening a structure editor : Isis Draw Interactive molecular sketcher. Unfortunately, since ??? it does not work and gives me the message "

Component "ISISDraw Interactive Molecular Sketcher" is configured to run by reference.  However, the master component cannot be found."

Some others sketchers I download from accelrys website do the same, but not all.

Is it really a question of license?

Thanks in advance.