[Help Post] BROM ERROR : S_DA_UPDATE_BOOTLOADER_FILE_SIZE_EXCEEDS_BOUNDARY_ ADDR(3142)

hlw guys anyone help me. please .. i have face a problem when flashing my android phone walton c3 3g with using sp flash tools .. i face this problem
BROM ERROR : S_DA_UPDATE_BOOTLOADER_FILE_SIZE_EXCEEDS_BOUNDARY_ ADDR (3142)
DA download bootloader exceeds partition boundary in this device !
[HINT]:
Possible reason is that there are too many bad blocks in bootloader reserved area..
Please any one help me .. please

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