If this is the first time seeing the dialogue, collect a SupportSave and open a support ticket with TAC. If the log data is related to an already diagnosed issue, you can delete the log data and stop the dialogue form appearing by running the "clear support" command.
sw0# clear support
Removing all core and FFDC files!
No core or FFDC data files found!
Note: This will delete the relevant error logs and a root cause analysis of the event will not be possible if these logs are cleared.