By the strict words of the contract, they might be correct. However, there are almost certainly other compensation events headings you can notify under. For example:
60.1 (3) as they are not providing 'something' by the dates on your Accepted Programme (if access is shown as a bar, then each day)
60.1(5) in which all three bullets could apply, but especially the last
60.1(8) a changed decision: they said they would give access, they physically are not.
Further you would not be time-barred as you have "notified a compensation event" - albeit perhaps under the wrong heading - "within 7 weeks" of becoming aware that the event has happened".
60.1 (3) as they are not providing 'something' by the dates on your Accepted Programme (if access is shown as a bar, then each day)
60.1(5) in which all three bullets could apply, but especially the last
60.1(8) a changed decision: they said they would give access, they physically are not.
Further you would not be time-barred as you have "notified a compensation event" - albeit perhaps under the wrong heading - "within 7 weeks" of becoming aware that the event has happened".