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CC2650DK can't debug: "Failed to load extra image"

Other Parts Discussed in Thread: CC2640

Attempting to run a sample from the CC2650DK, "SimpleBLECentral" with IAR 7.40.3.8938, I can compile just fine, but when I attempt to Download & Debug, after selecting the XDS100v3 probe, the flashing seems to progress fine, with the red LED board turning on and off a few times, until I get the error message

"The debugging session could not be started. Either the debugger initialization failed, or else the file (really long filename) was corrupt or of an unsupported format"

Here is what the Debug log had to say:

Fri Aug 28, 2015 17:49:25: Loaded macro file: C:\Program Files\IAR Systems\Embedded Workbench 7.2\arm\config\debugger\TexasInstruments\CC26xx.dmac
Fri Aug 28, 2015 17:49:25: Loaded macro file: C:\Program Files\IAR Systems\Embedded Workbench 7.2\arm\config\flashloader\TexasInstruments\FlashCC26xx.mac
Fri Aug 28, 2015 17:49:48: Connecting to TI XDS100 (Probe no: 06EB12212956)
Fri Aug 28, 2015 17:49:53: TI XDS ARM, device revision: 0x00000001, big endian: false, cache: false, board revision: 0x00000000, driver revision: 0x0B020200
Fri Aug 28, 2015 17:49:54: Initial reset was performed
Fri Aug 28, 2015 17:49:54: Watchdog disabled
Fri Aug 28, 2015 17:49:54: 544 bytes downloaded (1.79 Kbytes/sec)
Fri Aug 28, 2015 17:49:54: Loaded debugee: C:\Program Files\IAR Systems\Embedded Workbench 7.2\arm\config\flashloader\TexasInstruments\FlashCC26xxRAM20.out
Fri Aug 28, 2015 17:49:54: Target reset
Fri Aug 28, 2015 17:50:24: Unloaded macro file: C:\Program Files\IAR Systems\Embedded Workbench 7.2\arm\config\flashloader\TexasInstruments\FlashCC26xx.mac
Fri Aug 28, 2015 17:50:24: Downloaded C:\ti\simplelink\ble_cc26xx_2_01_00_44423\Projects\ble\SimpleBLECentral\CC26xx\IAR\Application\CC2640\FlashROM\Exe\SimpleBLECentralAppFlashROM.out to flash memory.
Fri Aug 28, 2015 17:50:31: Watchdog disabled
Fri Aug 28, 2015 17:50:32: 26577 bytes downloaded into FLASH (0.69 Kbytes/sec)
Fri Aug 28, 2015 17:50:32: Loaded debugee: C:\ti\simplelink\ble_cc26xx_2_01_00_44423\Projects\ble\SimpleBLECentral\CC26xx\IAR\Application\CC2640\FlashROM\Exe\SimpleBLECentralAppFlashROM.out
Fri Aug 28, 2015 17:50:33: Target reset
Fri Aug 28, 2015 17:50:34: Failed to load extra image: C:\ti\simplelink\ble_cc26xx_2_01_00_44423\Projects\ble\SimpleBLECentral\CC26xx\IAR\Application\CC2640\..\..\Stack\CC2640\FlashROM\Exe\SimpleBLECentralStackFlashROM.out

The message log did not have much in it:

Building configuration: CC2640App - FlashROM
Updating build tree...

Configuration is up-to-date.
Building configuration: CC2640App - FlashROM
Updating build tree...

Configuration is up-to-date.

Any idea what the problem might be?