Using large miners or other constructs with lots of NBT data can cause problems in multiplayer like this:
https://cdn.discordapp.com/attachments/317700834336964608/722501509878644806/unknown.png

XL-Packets fixes this problem:
https://www.curseforge.com/minecraft/mc-mods/xl-packets

RandomPatches mod can do this too. You can have it on the server and clients don't need it to connect, but if they do install it, they will bypass the NBT tag size limit issue.