Rock Smashing Device

[Tam]

I went to the Tinker's house in Legen Town and when I was about to receive the Rock Smashing Device, this error message appeared:

Exception: RuntimeError
Message: Script error within event 29, map 167 (Legen Town):
Exception: NameError
Message: (eval):1:in `pbExecuteScript'The item 'ROCKSMASHINGDEVICE' is not valid. Please add the item
to the list of items in the editor. See the wiki for more information.
***Full script:
Kernel.pbReceiveItem(::PBItems::ROCKSMASHINGDEVICE)
Interpreter:243:in `pbExecuteScript'
Interpreter:788:in `eval'
Interpreter:243:in `pbExecuteScript'
Interpreter:788:in `command_111'
Interpreter:320:in `execute_command'
Interpreter:193:in `update'
Interpreter:106:in `loop'
Interpreter:198:in `update'
* Scene_Map:103:in `update'
* Scene_Map:101:in `loop'

Interpreter:276:in `pbExecuteScript'
Interpreter:788:in `command_111'
Interpreter:320:in `execute_command'
Interpreter:193:in `update'
Interpreter:106:in `loop'
Interpreter:198:in `update'
* Scene_Map:103:in `update'
* Scene_Map:101:in `loop'
* Scene_Map:139:in `update'
Debug Passability:275:in `main'