É o seguinte, as vezes tem player que não consegue logar mais, o erro no distro é esse? alguem ajuda ?

[4:22:23.492] Owned Cabulozo has logged in.


[4:22:23.494] [Error - CreatureScript Interface] 

[4:22:23.494] data/creaturescripts/scripts/offtrain_login.lua:onLogin

[4:22:23.494] Description: 

[4:22:23.495] data/creaturescripts/scripts/offtrain_login.lua:15: attempt to perform arithmetic on a string value

[4:22:23.495] stack traceback:

[4:22:23.495]   data/creaturescripts/scripts/offtrain_login.lua:15: in function <data/creaturescripts/scripts/offtrain_login.lua:2>

[4:22:23.496] Owned Cabulozo has logged out.

tbm estou com esse problema alguem pode ajuda ?