The build 20100715 only works with new isogen version 6.30, you can download the following file, unzip it and extract all the files to CAESAR II installation folder. This will fix your problem.

www.coade.com/uploads/caesar/Personal Isogen 6 SP 3.zip


Regards,

Shawn Zhong

CADWorx & Analysis Solutions
Intergraph Process, Power, & Marine