+ dd bs=512 if=/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/build_dir/target-aarch64_cortex-a53_musl/linux-mediatek_mt7986/BPI-R3-SD-WAN1-SFP1-kernel.bin of=/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/build_dir/target-aarch64_cortex-a53_musl/linux-mediatek_mt7986/mtk-bpi-r3-SD-WAN1-SFP1.img seek=17408
dd: failed to open '/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/build_dir/target-aarch64_cortex-a53_musl/linux-mediatek_mt7986/BPI-R3-SD-WAN1-SFP1-kernel.bin': No such file or directory
make[5]: *** [Makefile:75: install-images] Error 1
make[5]: Leaving directory '/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/target/linux/mediatek/image'
make[4]: *** [Makefile:18: install] Error 2
make[4]: Leaving directory '/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/target/linux/mediatek'
make[3]: *** [Makefile:11: install] Error 2
make[3]: Leaving directory '/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/target/linux'
time: target/linux/install#453.91#41.51#80.46
ERROR: target/linux failed to build.
make[2]: *** [target/Makefile:25: target/linux/install] Error 1
make[2]: Leaving directory '/home/zy/code/BPI-R3-OPENWRT-V21.02.3-main'
make[1]: *** [target/Makefile:19: /home/zy/code/BPI-R3-OPENWRT-V21.02.3-main/staging_dir/target-aarch64_cortex-a53_musl/stamp/.target_install] Error 2
I want to compile BPI R3 RJ45 image.But this error occured.I need help!