PHP error during a search

Hi,

I just install the community version of Open-audIT and un want to thank you about this amazing product

OS: Ubuntu 18.04

I am currently unable to do a "search" (both on group or device)

I get this error:

Resource does not exist (search:collection).
A user attempted to view a resource which does not exist.

In the debug screen:

[
  {
    code: ERR-0007,
    status: HTTP\/1.1 404 Not Found,
    severity: 5,
    title: Resource does not exist (search:collection).,
    detail: A user attempted to view a resource which does not exist.,
    status_code: 404,
    severity_text: notice,
    controller: search::collection,
    summary: Resource does not exist (search:collection).,
    link: \/open-audit\/index.php\/errors\/ERR-0007
  }
]


Am i doing something wrong or is it a known issue ? 

Thanks for your help