Specifically:
agentStpPortTable should be at agentStpSwitchConfigGroup.9, not .7
agentStpCstConfigGroup should be at .10, not .8
agentStpCstPortTable should be at .11, not .9
agentStpMstTable should be at .12, not .10
agentStpMstPortTable should be at .13, not .11
agentStpMstVlanTable should be at .14, not .12
agentStpBpduGuardMode should be at .7, not .13
agentStpBpduFilterDefault should be at .8, not .14
...and agentStpPortHelloTime should exist at agentStpPortEntry.10