Balance of NFTs on Polygon aren't detected (remains at 0). The tokens aren't autodetected either

[Hoanib]

A user complained about not seeing his already sent NFT (Polygon) to his Alpha. I added his wallet as a watch wallet and tried to import the token without success.

Contract address: 0x612ee4BfD2EE2EAA7ef44120543C78AB4Bd16635

Transaction Hash: 0x6bec38eafaa857a58da983d9742ae1d2513b1b865202f638bb38edcf5129942b

[Hoanib]

Important note:

I wanted to create another repo but I think it's related. User did not give details but I do not think the user added the contract manually, however the token appears on his wallet but when he clicks on the notification "You don't have any tokens" pops up.

[Hoanib]

New information related with this case:

User has another wallet address with the same problem.

When user click on any of the 4 NFTs a error occurs saying You don't have any tokens.

Wallet: 0x32024F224b493Da02B2b9B985ee2fEe37Eed966b

[hboon]

Found the reason.

For developer: event traversing is from 0 + window for chains with eventlog window limits (Polyscan does), so it take forever to process recent events. Eg. as of 20220624, Polygon is at block 29932176 and with a window limit of 3500, it takes > 8552 pages

[Hoanib]

@hboon, And now user got this error message:

[hboon]

@hboon, And now user got this error message:

I've created a new issue #4937 for this Would you be able to help describe how to reproduce there?

[hboon]

@oa-s help see if this is still reproducible?

[oa-s]

guess we've fixed it in some pr earlier

[hboon]

Yes, it sounds familiar :)