You can click on the profile name and do the following steps from the popup card
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Click "Edit"
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Click "Packages"
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Click "Delete"
Delete Incorrect Package
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Click "Permanently remove all history?" if the package was a mistake and you want to remove all history linked to it
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Click here.
Replace Package
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To update the package to a new one if you want to keep the history click on the calendar box
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Choose the last date before the date your monthly invoices will generate on to avoid them getting invoiced for the month after they stop their sessions
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Click this button.
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Click "Add Package" to add a new package for them if they are continuing