12/22/2017 07:28:25.097 ERROR (Exec Task Consumer#4) [com.aveksa.server.xfw.TaskExecutor] Failed method=Execute ExecutionTask[TaskID=69651 RunID=60155 Source=3 Type=DataObjectProcessing Status=InProgress]
com.aveksa.server.xfw.ExecutionException: com.aveksa.server.collector.DataProcessorException: com.aveksa.server.db.PersistenceException: java.sql.SQLSyntaxErrorException: ORA-00918: column ambiguously defined
ORA-06512: at "AVUSER.IDC_NORMALIZE", line 220
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 105
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 195
ORA-06512: at line 1 at com.aveksa.server.xfw.DataObjectProcessingExecutor.executeFullTask(DataObjectProcessingExecutor.java:119)
at com.aveksa.server.xfw.DataObjectProcessingExecutor.executeTask(DataObjectProcessingExecutor.java:58)
at com.aveksa.server.xfw.TaskExecutor.execute(TaskExecutor.java:99)
at com.aveksa.server.xfw.ExecutionTaskQueue$Worker.run(ExecutionTaskQueue.java:116)
at java.lang.Thread.run(Thread.java:745)
Caused by: com.aveksa.server.collector.DataProcessorException: com.aveksa.server.db.PersistenceException: java.sql.SQLSyntaxErrorException: ORA-00918: column ambiguously defined
ORA-06512: at "AVUSER.IDC_NORMALIZE", line 220
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 105
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 195
ORA-06512: at line 1 at com.aveksa.server.xfw.DefaultIdentityObjectDataFilter.loadData(DefaultIdentityObjectDataFilter.java:134)
at com.aveksa.server.xfw.DefaultIdentityObjectDataFilter.process(DefaultIdentityObjectDataFilter.java:71)
at com.aveksa.server.xfw.DefaultIdentityObjectDataFilter.process(DefaultIdentityObjectDataFilter.java:144)
at com.aveksa.server.xfw.DataProcessor.process(DataProcessor.java:85)
at com.aveksa.server.xfw.DataProcessor.process(DataProcessor.java:64)
at com.aveksa.server.xfw.DataObjectProcessingExecutor.executeFullTask(DataObjectProcessingExecutor.java:116)
... 4 more
Caused by: com.aveksa.server.db.PersistenceException: java.sql.SQLSyntaxErrorException: ORA-00918: column ambiguously defined
ORA-06512: at "AVUSER.IDC_NORMALIZE", line 220
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 105
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 195
ORA-06512: at line 1 at com.aveksa.server.db.persistence.PersistenceServiceProvider.runStoredProcedure(PersistenceServiceProvider.java:1601)
at com.aveksa.server.db.persistence.PersistenceServiceProvider.runStoredProcedure(PersistenceServiceProvider.java:1459)
at com.aveksa.server.db.PersistenceManager.runStoredProcedure(PersistenceManager.java:267)
at com.aveksa.server.xfw.DefaultIdentityObjectDataFilter.loadData(DefaultIdentityObjectDataFilter.java:116)
... 9 more
Caused by: java.sql.SQLSyntaxErrorException: ORA-00918: column ambiguously defined
ORA-06512: at "AVUSER.IDC_NORMALIZE", line 220
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 105
ORA-06512: at "AVUSER.IDC_DATA_COLLECTOR", line 195
ORA-06512: at line 1 at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:450)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:399)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:1059)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:522)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:257)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:587)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:220)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:48)
at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:938)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1150)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:4798)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:4901)
at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:5631)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1385)
at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.execute(WrappedPreparedStatement.java:404)
at com.aveksa.server.db.persistence.PersistenceServiceProvider.executeCallableStatement(PersistenceServiceProvider.java:1636)
at com.aveksa.server.db.persistence.PersistenceServiceProvider.runStoredProcedure(PersistenceServiceProvider.java:1564)
... 12 more
12/22/2017 07:28:25.113 INFO (Exec Task Consumer#4) [com.aveksa.server.xfw.TaskExecutor] UNSetting thread on 1039369892 method=Execute | 
The symptoms seem to match with the following KB article, see if it applies to your issue:
000035105 - Identity Data Collector (IDC) collection fails with the error: "ORA-00918: column ambiguously defined" during the Identity Data Collection/Identity Data Unification step in RSA Identity Governance & Lifecycle