In this post, you’ll learn more about the Oracle ErrorORA-02475: maximum cluster chain block count of string has been exceeded with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-02475: maximum cluster chain block count of string has been exceeded
Reason for the Error ORA-02475: maximum cluster chain block count of string has been exceeded
The number of blocks in a cluster chain exceeds the maximum number allowed.
How to fix the Error ORA-02475: maximum cluster chain block count of string has been exceeded ?
You can fix this error in Oracle by following the below steps
Increase SIZE parameter in CREATE CLUSTER statement or reconsider suitability of cluster key.