Breadmaker query - why does my bread look like the surface of the moon?

[Gloria42]

Hi
I have a Panasonic breadmaker which normally works a treat, but recently when I set it overnight, the loaf that comes out is all pitted and crater-like on top.
I measure yeast etc carefully, so any suggestions what might be causing this?

Mine sometimes come out like this and it seems to be batch-to-batch variation with the flour, esp wholemeal.

It was a 70% wholemeal loaf, so that could be it.
Now that you mention it, I can't remember having the same problem with white only loaves.