This came to me all of sudden. Everytime I opened a new model and clicked on the empty processflow. The following exception warnings will popup.
exception: Exception caught in TreeNode::callMemberFunction() c++/dll execution. Throwing... VIEW:/active/MainPanel/BackPanel/SplitterXPane/3/TabControl/NULL>eventfunctions/onClickCallback c: VIEW:/active/MainPanel/BackPanel/SplitterXPane/3/TabControl/NULL thisClass: VIEW:/active/MainPanel/BackPanel/SplitterXPane/3/TabControl/NULL exception: Exception caught in flexscript execution of VIEW:/active/MainPanel/BackPanel/SplitterXPane/SplitterYPane/SplitterXPane/2/TabControl/NULL>eventfunctions/OnClick line 11 instruction 28. Discontinuing execution. exception: Exception caught in TreeNode::callMemberFunction() flexscript execution VIEW:/active/MainPanel/BackPanel/SplitterXPane/SplitterYPane/SplitterXPane/2/TabControl/NULL>eventfunctions/OnClick c: VIEW:/active/MainPanel/BackPanel/SplitterXPane/SplitterYPane/SplitterXPane/2/TabControl/NULL