Boot Panic

Hi everyone, thank you in advance... I thought I was finished configuring my config.plist, but I'm unable to boot. I tried various approaches in the OC troubleshooting guide, such as marketing SecureBootMode as False, but to no avail. Any idea what the best approach is?

... 03:464 00:595 AAPL: #[EB.H.CHK|BM] 0x0000000000000000 03:515 00:050 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.GV boot-signature 7C436110-AB2A-4BBB-A880-FE41995C9F82 03:565 00:050 AAPL: #[EB|WL] 0 0 0x01 0x01 23 0x0E 03:615 00:050 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.GV boot-image-key 7C436110-AB2A-4BBB-A880-FE41995C9F82 03:665 00:050 AAPL: #[EB|WL] 0 0 0x01 0x01 24 0x0E 03:715 00:050 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.GV boot-image 7C436110-AB2A-4BBB-A880-FE41995C9F82 04:311 00:595 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.SV- boot-signature 7C436110-AB2A-4BBB-A880-FE41995C9F82 04:362 00:050 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.SV- boot-image-key 7C436110-AB2A-4BBB-A880-FE41995C9F82 04:412 00:050 AAPL: #[EB.H.LV|!] Err(0xE) <- RT.SV- boot-image 7C436110-AB2A-4BBB-A880-FE41995C9F82