Players getting kicked when using /skincraft w. spray can decal

hey!
as title says, when using /sc command, selecting spray can decal item, you get kicked off server with the following error

 

Object reference not set to an instance of an object.
  at TokenisedPhrase.%39d5fb08d30891a46743afb1ab8e9a3dd124fbf9 (System.String %f48b8cf538a2aac6920065c4a7d8b0517e540c8b) [0x00000] in <00000000000000000000000000000000>:0 
  at SelectedItem.%3bb79922a8c321d7be5580f536d02d6641878cae (%09a05b61605f141b207f9d7485417e2cb6d72a74 %5ee3033257e7b058e269ef72bb0aa4c751b5c419) [0x00000] in <00000000000000000000000000000000>:0 
  at %e0b39c1286107fe59bc557de66b02b33befe1d44.%0ce93dbb94d78cfba24d2d7b0ebaf2e05e2e84a2 () [0x00000] in <00000000000000000000000000000000>:0 
  at PlayerInventory.%aa409172293aa50fe18be6dffb28e8bba035abd9 (%104460581c1df4bacde560788da1b824098ca14e %bad2c9f7131d6ff8e59a64cc979197e7aac760df) [0x00000] in <00000000000000000000000000000000>:0 
  at BasePlayer.%aa409172293aa50fe18be6dffb28e8bba035abd9 (BaseNetworkable+%72785e2f47874b3a2374119fb597ffb148889bb7 %67585a89ab9899ab1ec008cef5008e758ae9ed37) [0x00000] in <00000000000000000000000000000000>:0 
  at BaseNetworkable.%ad99dd018b656719bd73ea90859a236f5694d01c (%8cf618438bbd0be4ad45cf3a7be5f83d9d3e9157 %75dec4d57eedc2ab0e9d9e29ff29715416215685) [0x00000] in <00000000000000000000000000000000>:0 
  at Client.%164f1669b8bbd843de150385ee1fc5a044ae468d (%8cf618438bbd0be4ad45cf3a7be5f83d9d3e9157 %67585a89ab9899ab1ec008cef5008e758ae9ed37, System.Int64 %ac7945d32fc46de84fe749d4305400e280db334e) [0x00000] in <00000000000000000000000000000000>:0 
  at Client.%bd4a902873f8c967f6ef14f10f6ca0829e3c9bbb (%d7ab7f997e2baec5a67d7d9c5bf02c6ebe248574 %f409a92bbab2a26c7144df1a37ad474134101e92) [0x00000] in <00000000000000000000000000000000>:0 
  at %baf6be53b66027cbb5236b1bb0e4d393d9b112e7.%f521b4d784d4804c2a4abfd074d429a207f7b0de (%4901939aac610ac9327b220a78e966d2d3a0dba1 %ba1cffc6693722e306e5610605bc6153b6ba8a84) [0x00000] in <00000000000000000000000000000000>:0 
  at %20c46632faf782a2c2760b0380eff66c00bd74ca.%a99eb8bc8206d580c6587fbdc2bc11ca21c14e95 () [0x00000] in <00000000000000000000000000000000>:0 
  at Client.Update () [0x00000] in <00000000000000000000000000000000>:0