How to fix the Oracle error ORA-48166: error with opening ADR block file because file does not exist [string] [string]?

In this post, you’ll learn more about the Oracle ErrorORA-48166: error with opening ADR block file because file does not exist [string] [string] with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-48166: error with opening ADR block file because file does not exist [string] [string]

Reason for the Error ORA-48166: error with opening ADR block file because file does not exist [string] [string]

An error was encountered with opening an ADR block file because the file does not exist.

How to fix the Error ORA-48166: error with opening ADR block file because file does not exist [string] [string] ?

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

Check the existence of the ADR Block File.