Sophos AD Sync with error

HI,

I initally setup ad sync . Unfortunately the sync produces an error. It say, al log file will be generated, but it did not. Any idea what to look for?

Gathering data from LDAP...
Checking for mailboxes on test.com with filter (&(objectClass=user)(mailNickname=*)(displayName=*)(!cn=HealthMailbox*)(proxyAddresses=*)(msExchDelegateListLink=*)(userAccountControl:1.2.840.113556.1.4.803:=2)(|(|(homeMTA=*)(homeMDB=*)(msExchHomeServerName=*))(&(objectClass=contact)(targetAddress=*))))
Checking for mailboxes with search base OU=USERS,OU=test,DC=test,DC=com
Got mailboxes with search base OU=USERS,OU=test,DC=test,DC=com
Checking for public folders on test.com with filter (&(objectCategory=PublicFolder)(proxyAddresses=*)(displayName=*))
Checking for public folders with search base DC=test,DC=com
Got public folders with search base DC=test,DC=com
Checking for users on test.com with filter (&(objectCategory=person)(objectClass=user)(!sAMAccountType=805306370)(!cn=HealthMailbox*)(!userAccountControl:1.2.840.113556.1.4.803:=2))
Checking for users with search base OU=USERS,OU=test,DC=test,DC=com
Got users with search base OU=USERS,OU=test,DC=test,DC=com
Checking for groups in the OU=Sophos_Groups,OU=Groups,OU=test,DC=test,DC=com domain with filter (&(objectCategory=group))
Got groups in the OU=Sophos_Groups,OU=Groups,OU=test,DC=test,DC=com domain
Sending data to Sophos Central to determine changes that would be applied.
Sending data to Sophos Central for reconciliation...
HTTP request to https://api-CloudStation-eu-central-1.prod.hydra.sophos.com/api/adsync/sync/v2 error Conflict: {} / 
Retrying request to https://api-CloudStation-eu-central-1.prod.hydra.sophos.com/api/adsync/sync/v2
HTTP request to https://api-CloudStation-eu-central-1.prod.hydra.sophos.com/api/adsync/sync/v2 error Conflict: {} / 
HTTP request to https://api-CloudStation-eu-central-1.prod.hydra.sophos.com/api/adsync/sync/v2 failed after 2 tries.
Synchronization failed: Synchronization failed. This is most often due to connectivity issues. Details about the error will be written to today's log file at C:\ProgramData\Sophos\Sophos Cloud AD Sync\Logs.