matrixcalc.exe has encountered a problem + CST

matrixcalc.exe has encountered a problem and needs to close. We are sorry for the inconvenience . i receive this mesage wheni tried to simulate a structure in CST microwave 2008
can anybody please help to solve the problem
with regards ,
lkminz

great stuff but have to translate to understand ..
it explain all warning and its cause
https://www.aetjapan.com/support/doc...arnings_ja.pdf