luracast not foud 438 but another one result result true

i added my webservice luracast api and received the following response

my url https://example.com/rest/v1/myfile/myfunction

<response>
<error>
<code>404</code>
<message>Not Found</message>
</error>
<debug>
<source>Routes.php:438 at route stage</source>
<stages>
<success>get</success>
<failure>
<text>route</text>
<text>negotiate</text>
<text>message</text>
</failure>
</stages>
</debug>
</response>

AT THE SAME TIME I HAVE ANOTHER WEBSERVICE

my url https://example.com/rest/v1/myfile2/myfunction AND IT gives results normally.

any idea plz