Dragon execute image.cfg Failed

BPI-M2P-bsp-4.4 build.sh BPI-M2Z-720P 5

Begin Parse sys_partion.fex
Add partion bootloader.fex BOOTLOADER_FEX00
Add partion very bootloader.fex BOOTLOADER_FEX00
FilePath: bootloader.fex
FileLength=4e7c00Add partion env.fex ENV_FEX000000000
Add partion very env.fex ENV_FEX000000000
FilePath: env.fex
FileLength=20000sys_config.fex Len: 0xcfe4
config.fex Len: 0x9400
split_xxxx.fex Len: 0x200
sys_partition.fex Len: 0x927
sunxi.fex Len: 0x12c00
boot0_nand.fex Len: 0x8000
boot0_sdcard.fex Len: 0x8000
u-boot.fex Len: 0xcc000
fes1.fex Len: 0x3fc0
toc1.fex Len: 0x8
toc0.fex Len: 0x8
usbtool.fex Len: 0x23600
aultools.fex Len: 0x2847b
aultls32.fex Len: 0x24d23
cardtool.fex Len: 0x11e00
cardscript.fex Len: 0x6de
sunxi_mbr.fex Len: 0x10000
dlinfo.fex Len: 0x4000
The file arisc.fex length = 0
BuildImg 400
Dragon execute image.cfg Failed ! ArgCnt = 3, 400
pack finish