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You should use claimAll after the end of the windows, no matter how often you contributed durin the window.

So, do I have to use 'claimALL' after the end of window, or just after making multiple contribution (but before the end of window)?

I am confused about this, because if one makes a single contribution, then he/she will use 'claimALL' just right after the contribution (but not the end of the window).

Thank you for the reply.