Masigpro tool Error

what does this Error means ? Im used Masigpro for DEG in time points. P.s i dont understand what is experimental design mean and what should i put for it

Error Details

Execution resulted in the following messages:

Fatal error: An undefined error occurred, please check your input carefully and contact your administrator.

Tool generated the following standard error:

Error in FUN(newX[, i], …) : invalid ‘type’ (character) of argument Calls: maSigPro -> p.vector -> apply