Redmine

Hello everyone,

I am trying to create an issue via REST API on my instance running on OpenSUSE 15.6 with apache server.I have tried on Redmine 6.0.4 and also after upgrading to 6.1.0. I am using postres 16.8 and ruby 3.3.7.

When I POST request to create issue at /issues.json or /issues.xml (tried both):

<issue>
<project_id>18</project_id>
<tracker_id>7</tracker_id>
<status_id>4</status_id>
<subject>my subject</subject>
<description>my description</description>
</issue>
or
{
"issue": {
"project_id": 18,
"tracker_id": 7,
"status_id": 4,
"subject": "my subject",
"description": "my description"
}
}
The issue is created in redmine, however I get 404 response:
HTTP/1.1 404 Not Found
Date: Mon, 17 Nov 2025 09:46:11 GMT
Server: Apache
cache-control: no-cache
referrer-policy: strict-origin-when-cross-origin
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: dcef2c3b-af3a-45ec-9c1b-e1396ca477da
x-download-options: noopen
x-runtime: 0.041144
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
X-Powered-By: Phusion Passenger(R) 6.0.17
content-length: 0
Status: 404 Not Found
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: application/json

I have seen it was discussed on stackoverflow: https://stackoverflow.com/questions/79652789/redmine-rest-api-works-but-returns-404-http-error

Is there something I am doing wrong or is it a BUG?

Thanks for help.
Adam