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Unfortunately, there isn't any way to see the modlist on the FTB launcher before downloading the pack as far as I am aware, so you might have to wait for a Dev response for a more accurate answer.
What were you doing when the crash happened?
Also, Optifine being installed might be part of the issue.
EDIT: Your optifine is also outdated. You are running HD-U-E3. Try updating your Optifine to the latest 1.12.2 Version, which is HD-U-F5.