How to fix the Oracle error ORA-01611: thread number string is invalid – must be between 1 and string?

In this post, you’ll learn more about the Oracle ErrorORA-01611: thread number string is invalid – must be between 1 and string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01611: thread number string is invalid – must be between 1 and string

Reason for the Error ORA-01611: thread number string is invalid – must be between 1 and string

A thread number in a command is greater than the number of threads supported by the control file.

How to fix the Error ORA-01611: thread number string is invalid – must be between 1 and string ?

You can fix this error in Oracle by following the below steps

Use a thread number that is valid, or resize the thread record and/or checkpoint progress record sections of the control file.