Problem deleting image from I18N Gallery

[chaos]

I have created a gallery which has 13 images. I would like to delete image number 2 and number 3. Once I have resaved the gallery, I am left with only image number 1 - all the others (images 4 to 13) have disappeared aswell. I have tried re-ordering and putting the images for deletion at the bottom and resaving but the same thing happens. In fact I cant even reorder and save - once I hit save they revert back to the original "ordering".
I have checked my write permissions to the relevant folders - and everything seems to be correct. This is the only thing I can think of that could be wrong.
Please, some assistance would be appreciated.

I have the following plug-ins:
Download Interceptor
HitCount
I18N Base
I18N
News Manager
p01-contact
SA Tags
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