p2pool mini: No payout despite shares and found block

gr00tx00
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p2pool mini: No payout despite shares and found block

I've started mining on p2pool.io (mini), found 2 shares before a block was found, the reward was above the payout threshold, but no payout happened. I double checked the mining address and all other options. The following output is of the p2pool.log file which shows that there were 2 shares and a reward of at least 0.000513172872 XMR. Still, my balance in the mining wallet is 0:

$ cat p2pool.log | grep -e BLOCK -e "position" -e "Block reward share"
...
Block reward share        = 0.081% (0.000496419653 XMR)
Your shares position      = [....1.............1...........]
Block reward share        = 0.082% (0.000503431360 XMR)
Your shares position      = [.....1.............1..........]
Block reward share        = 0.083% (0.000545732080 XMR)
Your shares position      = [.......1.............1........]
Block reward share        = 0.084% (0.000520312558 XMR)
Your shares position      = [........1.............1.......]
Block reward share        = 0.085% (0.000528050986 XMR)
Your shares position      = [........1.............1.......]
Block reward share        = 0.085% (0.000517038371 XMR)
Your shares position      = [.........1.............1......]
Block reward share        = 0.085% (0.000513172872 XMR)
NOTICE  2022-11-08 00:44:05.5324 P2Pool BLOCK FOUND: main chain block at height 2750903 was mined by this p2pool
NOTICE  2022-11-08 00:44:05.6523 P2Pool submit_block: BLOCK ACCEPTED at height 2750903 and difficulty = 334982215077
Your shares position      = [..............1...............]
Block reward share        = 0.045% (0.000268497469 XMR)
Your shares position      = [..............1...............]
Block reward share        = 0.045% (0.000268568299 XMR)
Your shares position      = [...............1..............]
Block reward share        = 0.044% (0.000268521172 XMR)
Your shares position      = [...............1..............]
Block reward share        = 0.044% (0.000268597252 XMR)
Your shares position      = [...............1..............]

The P2p observer also shows that the shares were in the PPNLS window before the block was found.

shared before a block was found, but no payout

Why is/was there no payout?
What do I miss?
How can I investigate that further? (Checking transactions?)
Any help/feedback is highly appreciated.

Thanks!