--This happened when I closed the emulator. Here is the Message Log, which I could get to before it closed down.
Loading I:\TAS stuff\TAS emulator\fceux-2.2.1-win32\roms\G.I. Joe.zip|G.I. Joe.nes...
PRG ROM: 8 x 16KiB
CHR ROM: 32 x 8KiB
ROM CRC32: 0x1d2d93ff
ROM MD5: 0xfcb354cbdc180abc990da9317d619629
Mapper #: 4
Mapper name: MMC3
Mirroring: Horizontal
Battery-backed: No
Trained: No
Power on
State G.I. Joe-resume loaded.
Old play session resumed.
State 1 loaded.
Power on
Replay started Read-Only.
State 1 loaded.
Couldn't store debugging data
Fixed in r2956.