SAM-BA operation failed ( tcha tcha tcha :-)

Hello,

My sketch is uploading successfully but I always have the same error : "SAM-BA operation failed" (see below)

Thanks for your help.

"
Atmel SMART device 0x10010005 found
Device : ATSAMD21G18A
Chip ID : 10010005
Version : v2.0 [Arduino:XYZ] Mar 10 2017 12:20:17
Address : 8192
Pages : 3968
Page Size : 64 bytes
Total Size : 248KB
Planes : 1
Lock Regions : 16
Locked : none
Security : false
Boot Flash : true
BOD : true
BOR : true
Arduino : FAST_CHIP_ERASE
Arduino : FAST_MULTI_PAGE_WRITE
Arduino : CAN_CHECKSUM_MEMORY_BUFFER
Erase flash
done in 0.837 seconds

Write 37368 bytes to flash (584 pages)

[=== ] 10% (64/584 pages)
[====== ] 21% (128/584 pages)
[========= ] 32% (192/584 pages)
[============= ] 43% (256/584 pages)
[================ ] 54% (320/584 pages)
[=================== ] 65% (384/584 pages)
[======================= ] 76% (448/584 pages)
[========================== ] 87% (512/584 pages)
SAM-BA operation failed

[============================= ] 98% (576/584 pages)
[==============================] 100% (584/584 pages)
done in 0.266 seconds

Verify 37368 bytes of flash with checksum.
Verify successful
done in 0.051 seconds
CPU reset.
Une erreur est survenue lors du transfert du croquis
"