502 - Authorisation Failure

Hi,

i am trying to follow CompanyIncorporation-v3-8.xsd and submit a test company incorporation. I have gone through the forums and tried and multiple different combinations. It seems I keep getting Auth errors even though i am using the exact credentials provided. Am i doing something wrong?

Request:

<?xml version="1.0" encoding="UTF-8"?>

1.0

CompanyIncorporation

request

000001

1

342bbca9ae9462f27e2fbcce63d99fb1

clear

1c651e9a28ab7cc054abb6eb920a959d

TEST COMPANY LIMITED

0012

CompanyIncorporation

000001

2026-03-03

BYSHR

EW

123 Test Building

Cardiff

GB-WLS

CF10 1ES

true

BYSHRMODEL

true

Test

Director

true

1990-01-15

British

true

12345678901

INDIVIDUAL_VERIFIED

NO_INDIVIDUAL_OR_ENTITY_WITH_SIGNFICANT_CONTROL

Test

Subscriber

123 Test Building

Cardiff

GBR

CF10 1ES

SUBSCRIBER_AGREES_NAME_USED_TO_AUTHENTICATE

Ordinary

1

1

0

GBP

1

Test

Subscriber

AUTHORISER_AGREES_NAME_USED_TO_AUTHENTICATE

false

company-contact@example.com

true

Response:

<?xml version="1.0" encoding="UTF-8" ?>

1.0

CompanyIncorporation

error

000001

1

2026-03-03T00:24:19-00:00

342bbca9ae9462f27e2fbcce63d99fb1

CHMD5

1c651e9a28ab7cc054abb6eb920a959d

CompanyIncorporation

502

fatal

Authorisation Failure

Can someone please help.

Thanks

Fahim