Nextcloud 18.0.4 failed with unknow extension files

i have one nextcloud 18.0.4 over centos7, php72u apache24u

work well but with some file extension dont.

is file is cada file (.dwg) or log file (.log)

there show

Sabre\DAV\Exception\ServiceUnavailable Could not open file

This XML file does not appear to have any style information associated with it. The document tree is shown below.

<d:error xmlns:d=“DAV:” xmlns:s=“”>


<s:message>Could not open file</s:message>


<d:error xmlns:d=“DAV:” xmlns:s=“”>…</d:error>

but! if rename file with nextcloud or in the source the file is downloaded succesful!

have some tips to fix that?