Postman collection is failing to create a new org

[simhead]

When I run postman collection, it fails at 3rd step with the following error code - 500 Internal Server Error:
{
"id": "api.org.create",
"ver": "v1",
"ts": "2025-03-13 05:41:43:540+0000",
"params": {
"resmsgid": "d189073bd9a6bbdd98d2c5397529095b",
"msgid": "d189073bd9a6bbdd98d2c5397529095b",
"err": "UOS_ORGCRT0012",
"status": "FAILED",
"errmsg": "Channel Registration failed."
},
"responseCode": "SERVER_ERROR",
"result": {}
}

and the request is - POST {{host}}/api/org/v1/create
{
"request": {
"orgName": "Sunbird Org",
"channel": "sunbird",
"description": "Default Organisation for Sunbird",
"externalId": "sunbird",
"isSSOEnabled": true,
"organisationType": "board",
"isTenant": true
}
}