How to fix the Oracle error PLS-00154: An object type may have only 1 MAP or 1 ORDER method.?

In this post, you’ll learn more about the Oracle ErrorPLS-00154: An object type may have only 1 MAP or 1 ORDER method. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00154: An object type may have only 1 MAP or 1 ORDER method.

Reason for the Error PLS-00154: An object type may have only 1 MAP or 1 ORDER method.

More than one map or order function was declared. An object type can have only one map function or one order function, but not both.

How to fix the Error PLS-00154: An object type may have only 1 MAP or 1 ORDER method. ?

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

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