Why is this code not working i.e., not giving me the transitions
\begin{itemize}
\transdissolve
\item Large number of possible parameter-value combinations
\item Hard to find the optimal parameters
\item Which parameters should be changed and by how much.
\item muliticollinearity or high correlation between parameter values
\item Which criteria for evaluating the difference between observed and
simulated runoff.
\end{itemize}
Any help will be appreciated?