Following error is seen in BPM logs - 

Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Invalid object name 'ec_attribute'.
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1515)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatement(SQLServerPreparedStatement.java:404)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtExecCmd.doExecute(SQLServerPreparedStatement.java:350)
    at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:5696)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1715)
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:180)
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:155)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeQuery(SQLServerPreparedStatement.java:285)
    at org.tranql.connector.jdbc.PreparedStatementWrapper.executeQuery(PreparedStatementWrapper.java:161)
    at org.tranql.connector.jdbc.PreparedStatementHandle.executeQuery(PreparedStatementHandle.java:52)
    at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:187)
    at org.hibernate.loader.Loader.getResultSet(Loader.java:1791)
    at org.hibernate.loader.Loader.doQuery(Loader.java:674)
    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
    at org.hibernate.loader.Loader.doList(Loader.java:2217)
    ... 91 more

Cause:
The value of DEFAULT_SCHEMA in CREATE or ALTER USER SQL statement is ignored if the user is a member of the sysadmin fixed server role. All members of the sysadmin fixed server role have a default schema of dbo.