Recent placed blocks are randomly deleting from world

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It is for me not possible to recreate it since it happens randomly. For me it was also an hour before it started happening. I also don't know if it was caused by unloading and loading chunks again, or just on its own. The carpets were first removed and afterwards placed back at the same spot seconds later. (But then didn't?) Then banner was newly placed (there was no banner before).

We do not have enough information to find the cause of this issue.

Please attach the affected (zipped) world file. If the file size is too large, please upload it somewhere else and then link to it here.

_{This issue is being temporarily resolved as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.}

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https://drive.google.com/file/d/1DSzdonDyOEYdIBCf43FAEyCtRgcCLIDH/view?usp=sharing

It was

• a yellow carpet at -702 14 546,

• an end rod at -702 14 545,

• a blue carpet at the neighberhood of -677 14 548

• And a banner at x: between -650 and -750, y 20, z 454.

These blocks might have been placed there before, and deleted before. (This makes things harder I know)

Maybe when I placed those blocks, they were placed visually, but not phisically meaning that it was never saved.

Thank you for your report!
However, this issue is Invalid.

Your game, launcher or server is modified:

If you can reproduce the issue in a vanilla environment, please recreate the issue.

• Any non-standard client/server/launcher build needs to be taken up with the appropriate team, not Mojang.

• A world which had previously been opened with a modified client might be corrupted. Please try reproducing the issue in a newly generated world.

• Any plugin issues need to be addressed to the creator of the plugin or resource pack.

• If you have problems on large servers like Hypixel, please contact them first as they run modified server software.

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📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
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Then I think this is the case: A world which had previously been opened with a modified client might be corrupted.