Is this in the rand or at the front of the sole? If it's just the rand then it's probably to do with footwork.
If it's the sole and from normal wear then it's probably normal. You can always try and work on footwork and be precise and place right first time. Try as little readjustment as possible.
The Kataki's use Vibram XS Edge which is a stiffer rubber that should last longer. In the Kataki's the rubber is 4mm. You can find resolers that do a range of thicknesses - some definitely do XS Edge in 5mm so that's worth looking at.
Would be less sensitive at first but might help with your issue
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