How to fix the Oracle error ORA-09805: conversion of category number to string failed.?

In this post, you’ll learn more about the Oracle ErrorORA-09805: conversion of category number to string failed. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-09805: conversion of category number to string failed.

Reason for the Error ORA-09805: conversion of category number to string failed.

ORACLE was unable to translate a category number to its corresponding string representation failed.

How to fix the Error ORA-09805: conversion of category number to string failed. ?

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

Check the UNIX error number for a possible operating system failure. If there is no error, contact Oracle Support Services. The category number is contained in the “Additional information” field.