Oracle Error Message
ORA-01312: Specified table/column does not exist
Reason for the Error
The table/column specified in the lcr_mine call does not exist at the the specified SCN. The table/column definition has to exist at the start SCN specified for lcr_mine to be able to identify the table/column correctly.
Solution
Create a LogMiner session at a start SCN at which the table definition is available.