An error occurred while deleting the data.

An error occurred while deleting the data:

Oracle817
Win2000
An error occurred while deleting one of the data.
SQL> Delete from dequeue where id = '201312 ';
Delete from dequeue where id = '20140901'
*
Error is located in row 1st:
ORA-08102: Index keywords not found, OBJ #29293, DBA 12596563 (2)

ORA-08102 index key not found, OBJ # string, DBA string (string)
Cause: this is an internal error; possible inconsistency in index.

Action: Send trace file to Oracle customer support, along with information on reproducing the error

Solution:
Delete all indexes, including primary keys
Then delete the data.
Create an index