how to solve this problem

when i run the simulink, it can run but often appear this kind of error.

How can I solve this problem?

Error using containers.Map/subsref
The specified key is not present in this container.

Error in Simulink.messageviewer.internal.MsgIdToDataMap/addRecord

Error in Simulink.messageviewer.internal.MsgTabInfo/pushMsgInMap

Error in slmsgviewer/pushMessageRecord

Error in slmsgviewer.processRecord

Error in DAStudio.warning (line 28)
Simulink.output.warning({warnId, varargin{:}});

Error in throwWarning (line 14)
    DAStudio.warning(['fuzzy:dialogs:' varargin{1}], ...

Answer 1

[Mark McBroom]

It looks like a problem in the Message Viewer block. Comment out the block to confirm. You might be able to fix by deleting current Message Viewer block and then adding a new one.