Problem with datastore

Anyone can help me?

Error running system event handling function for resource esx_datastore: citizen:/scripting/lua/scheduler.lua:41: Failed to execute thread: server/main.lua:74: attempt to get length of a nil value (field ‘?’)
stack traceback:
server/main.lua:74: in function ‘GetDataStore’
server/main.lua:98: in upvalue ‘handler’
citizen:/scripting/lua/scheduler.lua:175: in function citizen:/scripting/lua/scheduler.lua:174
stack traceback:
[C]: in function ‘error’
citizen:/scripting/lua/scheduler.lua:41: in field ‘CreateThreadNow’
citizen:/scripting/lua/scheduler.lua:174: in function citizen:/scripting/lua/scheduler.lua:138

ask in the original ESX topic.