[nQSError: 16028] ODBC error state: IM002 code: 0 message: [DataDirect][ODBC lib] Data source name n

User_U0LN6

Dear Specialist's,

In my OBIEE 12.2.1.4, in obis1-query.log (locate in $domain//servers/obis1/logs) i receive this error:

The datasource is Vertica and TNSNAMES.ORA is configured in

"$ORACLE_HOME/network/admin"

"$DOMAIN_HOME/config/fmwconfig/bienv/core"

[2019-11-08T15:34:23.748-03:00] [OBIS] [TRACE:2] [] [] [ecid: adc8f67d-0392-4755-8363-668427ffc170-0000015a,0:1:208:5] [sik: ssi] [tid: c0181700] [messageid: USER-34] [requestid: df190026] [sessionid: df190000] [username: weblogic] -------------------- Query Status: [nQSError: 16028] ODBC error state: IM002 code: 0 message: [DataDirect][ODBC lib] Data source name not found and no default driver specified. [[

[nQSError: 43119] Query Failed:

How can I verify the driver to which the message refers?

Thank You,