Seasons passes not working properly

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Has anyone else in the last few days noticed that their Seasons Passes are no working properly?

For example One News was not recorded on Sunday night, but future 'episodes' had the double tick next to them.
The SP for Shortland Street has no ticks beside any future episodes. On Sunday we selected last nights episode and chose 'record this episode' so that it had the single tick next to it, however it still did not record last night. The TiVo did not complain of any conflicts.
Other seasons passes are exhibiting the same thing, with future episodes no longer scheduled to record (but listed), or scheduled to record but just don't get recorded.

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Found the problem and stopgap solution. TVNZ have stuffed up their episode descriptions (or numbering), so TiVo thinks that it is the same episode every day. Changing the Seasons Pass recording option to "All (including duplicates)" from "New and Reruns" has fixed the problem on the affected SPs.