- 
    Bug 
- 
    Resolution: Duplicate
- 
    None
- 
    Minecraft 1.12.2
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    None
- 
        Unconfirmed
/fill command does not work with replace:
- duplicates
- 
                    MC-61864 /fill x1 y1 z1 x2 y2 z2 [tile entity] replace [block] gives parse error - Resolved