OM Extension to validate for active hold at header not working

Summary:

We have scenario to check whether the sales order got particular hold active at header level based on that call integration.

Using the method holdExists as per oracle documentation however it is not working.

Can anyone please assist?

Attaching the code below for reference.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

/*
V1 - Check whether order had Reprice Hold at header level
*/

import oracle.apps.scm.doo.common.extensions.ValidationException;
import oracle.apps.scm.doo.common.extensions.Message;