G570F Patch error : Could not read the boot image for analysis

i tried many firmware, rooted by chimera/rooted manually by twrp but always shows this error when patch only

Preparing...
Checking current patchcert.
Checking modem.
Checking root.
Checking boot image. Be patient! Do NOT disconnect the phone!
Could not read the boot image for analysis.
Finished at local time: [02.21.19 15:23:17]
WorkID: 53130271