How to fix the Oracle error PGA-22007: user ID string length of number is invalid; maximum length is number?

In this post, you’ll learn more about the Oracle ErrorPGA-22007: user ID string length of number is invalid; maximum length is number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGA-22007: user ID string length of number is invalid; maximum length is number

Reason for the Error PGA-22007: user ID string length of number is invalid; maximum length is number

Cause: The user id is too long to be used. The maximum allowable length for the user ID is characters.

How to fix the Error PGA-22007: user ID string length of number is invalid; maximum length is number ?

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

Action: The user id must be changed to a shorter value for OCI logon to the table PGA_TCP_IMSC. Refer to the Oracle Database Gateway Installation and Configuration Guide for the required gateway initialization parameters for gateways using TCP/IP.