Versions
WorldEdit version: 6.1.10
Platform version: Forge 1.12.2 14.23.5.2847

Describe the bug
WorldEdit can not figure out what block it is, when it's the exact block.

To Reproduce

1. Select a random area.
2. Do //set polished_andesite

Expected behavior
The selected area turns into the block.

Screenshots

Additional context
N/A

Those blocks don’t exist in 1.12.2, they’re data values on stone and other blocks.