How to fix the Oracle error PGA-20900: unable to obtain number bytes of storage for string?

In this post, you’ll learn more about the Oracle ErrorPGA-20900: unable to obtain number bytes of storage for string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGA-20900: unable to obtain number bytes of storage for string

Reason for the Error PGA-20900: unable to obtain number bytes of storage for string

Cause: Memory shortage in the gateway server process.

How to fix the Error PGA-20900: unable to obtain number bytes of storage for string ?

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

Action: Ensure your system has enough available memory to support the number of concurrent users you are running.