How to debug "user_saml.SAML.notProvisioned"

Hello
I try to login via user_saml with ADFS and “sAMAccountName” .
login seems to work , but after POST acs there is a GET notProvisioned in my http trace.

Even if I configure LDAP , I cannot log into nextcloud.

Konto nicht bereitgestellt.
Dein Konto wird nicht bereitgestellt. Der Zugriff ist daher nicht möglich.

How can I debug what is causing the notProvisioned exeption.

Thank you.

occ config:list | jq '.system'
{
  "instanceid": "ocdmu0sfxw60",
  "passwordsalt": "***REMOVED SENSITIVE VALUE***",
  "secret": "***REMOVED SENSITIVE VALUE***",
  "trusted_domains": [
    "myfiles.*******"
  ],
  "datadirectory": "/var/www/nextcloud-data",
  "overwrite.cli.url": "https://myfiles****************",
  "dbtype": "mysql",
  "version": "12.0.3.3",
  "dbname": "nextcloud",
  "dbhost": "localhost",
  "dbport": "",
  "dbtableprefix": "oc_",
  "dbuser": "***REMOVED SENSITIVE VALUE***",
  "dbpassword": "***REMOVED SENSITIVE VALUE***",
  "installed": true,
  "debug": true,
  "log_type": "file",
  "loglevel": "0",
}


occ config:list | jq '.apps.user_saml'
{
  "enabled": "yes",
  "general-require_provisioned_account": "1",
  "general-uid_mapping": "sAMAccountName",
  "general-use_saml_auth_for_desktop": "1",
  "idp-entityId": "http://***********/adfs/services/trust",
  "idp-singleSignOnService.url": "https://**************/adfs/ls/idpinitiatedsignon.aspx",
  "idp-x509cert": "-----BEGIN CERTIFICATE-----********\n-----END CERTIFICATE-----",
  "installed_version": "1.4.0",
  "saml-attribute-mapping-displayName_mapping": "displayName",
  "saml-attribute-mapping-email_mapping": "mail",
  "security-authnRequestsSigned": "0",
  "security-logoutRequestSigned": "0",
  "security-logoutResponseSigned": "0",
  "security-lowercaseUrlencoding": "1",
  "security-nameIdEncrypted": "0",
  "security-signMetadata": "0",
  "security-wantAssertionsEncrypted": "0",
  "security-wantAssertionsSigned": "0",
  "security-wantMessagesSigned": "0",
  "security-wantNameId": "0",
  "security-wantNameIdEncrypted": "0",
  "security-wantXMLValidation": "0",
  "type": "saml",
  "types": "authentication"
}