[GSFBart]

Consegui resolver,

PHP код:

strpack(ms_Items[playerid][i][ms_ItemName], name);
strpack(ms_Items[playerid][i][ms_ItemDescription], description); 


para

PHP код:

strpack(ms_Items[playerid][i][ms_ItemName], name, 32 char);
strpack(ms_Items[playerid][i][ms_ItemDescription], description, 256 char);