Please post all bug reports related to dispenser.tf here.

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I managed to find one of my traditional trades, even though I cannot view them through my shop, took an item out. When trying to withdraw it, there's this error:

ITEM LOCKED
Certain selected items were locked, please try again later.

I looked at my market orders There is only a disabled "Linked" button at the end of each row in the action column. It will not let me remove or edit them.
Please unlock my items.

Thanks for the fix. That let me see and modify my traditional trades through my store page. However, I still have market orders, probably automatically created, that have no corresponding originating traditional trade anymore. Yet, the orders are still there.
The Action column on those is still a disabled "Linked."
Is there something like a general panic button that lets a user lock down any active transactions of their shop account?

Hi, want to buy gift by traditional trade but it write me "Could not retrieve your backpack information, you may have set the permission as private, or Steam is busy." is it posible to end deal ? trade id 174684

Probably because those Operation Phoenix Pass were removed from Steam long time ago, it became a stale left over because all the scripts check for this situation failed to detect it.
I manually cancelled the market ask order for those items.
The system no longer list traditional trades to market orders since a few years ago, they are separate systems now.

^^ this.

I can confirm as well that (any) traditional trades have not been working at all for a long time already, at least since last year.

There seem to be an hard error in background when fetching buyers inventory and tf2 keys, but only generic "Could not retrieve your backpack information, you may have set the permission as private, or Steam is busy." message is being displayed.

Can this be fixed? This is not the typical and temporary "steam service currently not available" issue, because these trades have not been working at all anymore, please check what the real issue is.

Thanks.

It's related to the Steam newly imposed rate limit since the beginning of 2023. The deposit item list need to be rewritten from minimal API call to Steam to become large web scraping platform that commands thousands of proxy server IPs, spamming requests of such information from Steam. It should mostly work now, if your Steam inventory doesn't show within a minute, you can still keep the web page open, the background processes can take some time to run through requests from so many IP addresses.

The resulting situation is Steam needs to respond to much more requests with "429 Rate Limited" response, but they may still save some bandwidth because it's still much less stuff to send through the Internet than a full inventory response which can contain 50KB or more data. The costs of CPU power probably is much lower than bandwidth for their infrastructure which Valve desperately try to trade bandwidth usage with CPU usage.

It's probably caused by the bad disk performance of the server, causing the whole server just stalls on disk IO sometimes. I will change the disk soon.

Another lesson of China hardware looks so well by the package but just shit inside.