How to fix the Oracle error ORA-40024: solution to least squares problem could not be found?

In this post, you’ll learn more about the Oracle ErrorORA-40024: solution to least squares problem could not be found with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-40024: solution to least squares problem could not be found

Reason for the Error ORA-40024: solution to least squares problem could not be found

Unable to find solution because the predictor covariance matrix was singular.

How to fix the Error ORA-40024: solution to least squares problem could not be found ?

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

Enable ridge regression or remove exact multicollinearities from the build data.