The present invention relates to formulations of -1–N–6-fluoro-2–1H-indol-5-yl)cyclopropanecarboxamide, pharmaceutical packs or kits thereof, and methods of treatment therewith. The present invention includes a housing, an original cover, a tray of a first type, and a tray of a second type. Each groove has a mouth portion through which the boss is engaged and disengaged, a guiding portion capable of pivotally supporting the boss, and a connecting portion connecting the mouth portion and the guiding portion to each other.