"Message doesn't exist" error at least on android and windows. This problem appeared immediately after turning on and off the functionality of topics in the chat @unu_chat (https://t.me/unu_chat)
Despite the fact that the chat has existed since 21.08.2021, messages up to 30.01.2022 are saved, but are not available, despite the fact that no one has deleted them.
Messages can be viewed in the browser, but they cannot be seen in the chat! While most face the problem, one of the users who have an iPhone does not experience it (video): https://t.me/unu_chat/1273202
How then to explain that it worked before the topics were turned on/off, and also works now in the web version and on the iPhone?
Technical
But your answer is most likely close to the truth. I noticed an interesting feature: the first 500,000 messages are not available, because the first available one has a link https://t.me/unu_chat/500001
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