When in Creative Mode, placing the block 'Sponge' will cause it to disappear from your hand even though you are in Creative.
How to reproduce:
Go into Creative mode
Get the block named 'Sponge'
Place it down
For more info:
The bug happened on a Multiplayer creative world server.
The sponge was being placed on sandstone
The biome was 'desert'
The world was using the 'Redstone ready' world generation
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.
Any plugin issues need to be addressed to the creator of the plugin or resource pack.
If you have problems on large servers, such as The Hive and Hypixel, please contact them first as they run modified server software.
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