How to update the package in existing assessments

Summary:

Need to update the the assessment package , we have received the two new OPQ Streams along with the handover documents, however unable to update this.

Content (required):

We need to update the already existing assessment with new streams , and the vendor has provided us the handover document as well. But not sure on how to move ahead and do so ? Can anyone please help me with the steps to do this please ?

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