There is a typo in the initial config file, env SLO was missing the O.
Changed _IDP_SL_URL to _IDP_SLO_URL.
If you copy paste mytestidp1_idp_settings.php and rename to your own test file and follow OneLogin instructions without fixing it you end up with (.env):
There is a typo in the initial config file, env SLO was missing the O. Changed
_IDP_SL_URL
to_IDP_SLO_URL
. If you copy pastemytestidp1_idp_settings.php
and rename to your own test file and follow OneLogin instructions without fixing it you end up with (.env):Which results in the error: OneLogin\Saml2\Error The IdP does not support Single Log Out