How to fix the Oracle error DIA-48121: error with opening the ADR stream file [string] [string]?

In this post, you’ll learn more about the Oracle ErrorDIA-48121: error with opening the ADR stream file [string] [string] with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DIA-48121: error with opening the ADR stream file [string] [string]

Reason for the Error DIA-48121: error with opening the ADR stream file [string] [string]

An error was encountered when attempting to open an ADR stream file.

How to fix the Error DIA-48121: error with opening the ADR stream file [string] [string] ?

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

Check the rest of the error stack for details of the actual error that was encountered.