[MC-61381] Unable to setblock wall sign

Cannot /setblock wall signs in command blocks

Steps to reproduce:
1. place a command block and enter the command

/setblock ~ ~1 ~-1 minecraft:wall_sign

2. Place block on top of the command block

3. Power command block

Doesn't place the sign and says "An unknown error occurred while attempting to perform this command" in the command block console.
This command worked in 14w27b.

Linked issues

is duplicated by 1

MC-83937 can't do /setblock ~ ~ ~ minecraft:chorus_flower 6 Resolved

Comments 2

galaxy_2alex 2014-07-10T11:18:32Z

Confirmed

michael 2014-07-10T12:57:37Z

The wall signs (and some other blocks) only accept valid data values since the blockstate changes were introduced. only data values 2-5 are valid for wall signs.
Example:
/setblock ~ ~1 ~-1 minecraft:wall_sign 2