Log Locations and Interpretation | Utimaco Integration Guides

The following logs can be reviewed to check for errors:

Utimaco PKCS#11 provider log: /tmp/cs_pkcs11_R3.log by default, configured in the PKCS#11 configuration file.
- This log contains all the PKCS#11 function calls and attributes.

Error	Diagnosis
`20.06.2025 07:51:25.108 \| [00000332:00000332] C_OpenSession\| E: HSM::ConnectionException(Error::NO_CONNECTION = 0xbe000015)` `thrown in open_session` `Error::NO_CONNECTION`	The provider couldn’t connect to the HSM. Please check the PKCS#11 configuration file and ensure the Device section is correctly configured. See Configuration of the PKCS#11 Provider for details.
`20.06.2025 07:10:30.866 \| [00000059:00000059] C_GetSlotInfo \| E: Error CKR_DEVICE_REMOVED occurred.`	The device was disconnected during the cryptographic operation. This probably happens because of connection issues.

List of common errors on the PKCS#11 Log File