SIMS Nova T6 - Scheduling Double and Triple Periods across break and lunch

[L4143]

Hi, I am new to Edugeek and to timetabling. I have successfully written and rolled out my first timetable. However, we have a few triple and double periods which I am struggling to assign.

Errors that a frustrating me are Break "Overrun", and

Clash Type: Period Mismatch

 

I have unbuilt, unstaffed and unscheduled the block

Changed the block structure from S4 to DSS in the session screen and clicked on Block, Update and Verify

I have changed the breaks to soft and suspend 1pd rule

I have tried to set different breaks on the cycle screen. I have played around with soft and hard, etc.

I have tried to fathom previous implementations from my predecessors but am even more confused.

I have tried all the help functions in SIMS and google searches but can't quite nail what I need.

Double periods, which are not inturrupted by break or lunch are not a problem. So it must be the break type? Below is an example: