In this post, you’ll learn more about the Oracle ErrorORA-08101: index key does not exist file string: (root string, node string) blocks (string) with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-08101: index key does not exist file string: (root string, node string) blocks (string)
Reason for the Error ORA-08101: index key does not exist file string: (root string, node string) blocks (string)
Internal error: possible inconsistency in index
How to fix the Error ORA-08101: index key does not exist file string: (root string, node string) blocks (string) ?
You can fix this error in Oracle by following the below steps
Send trace file to your customer support representative, along with information on reproducing the error