Am getting the below error while enabling secure boot in reflashable mode.

I (500) esp_image: !@simple hash: 075071f3
I (515) esp_image: !@Calculated secure boot hash: ec7257cb
W (534) esp_image: start_addr: 0x1000
W (547) esp_image: image_len: 0x7bd0
E (560) secure_boot: image has invalid ...