Mass import not committing YARA rules

[PhilOrdo]

Extracting YARA rules via https://threatkb.inquest.net/#!/import fails to commit.
Rule this was occurring on:
`rule SUSP_certificate_payload {
meta:
description = "Detects payloads that pretend to be certificates"
date = "2018/08/02"
author = "Didier Stevens, Florian Roth"
reference = "https://blog.nviso.be/2018/08/02/powershell-inside-a-certificate-part-3/"
score = 50
strings:
$re1 = "-----BEGIN CERTIFICATE-----"

  $fp1 = "replace it with the PEM-encoded root certificate"

condition:
uint32(0) == 0x2D2D2D2D
and $re1 at 0
/* not 'M' at position 29, which is after the BEGIN CERTIFICATE header plus line break /
/ \r\n /
and not uint8(29) == 0x4D
/ \n /
and not uint8(28) == 0x4D
and not 1 of ($fp)
}`