Help plz

Current version: 4.6.3
Error running system event handling function for resource essentialmode: citizen:/scripting/lua/scheduler.lua:41: Failed to execute thread: server/main.lua:13: attempt to concatenate a nil value (local ‘rText’)
stack traceback:
server/main.lua:13: in local ‘userCallback’
citizen:/scripting/lua/scheduler.lua:274: 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
Loaded System.Threading.Tasks.Extensions, Version=4.1.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51 into ScriptDomain_2003274655
Loaded System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51 into ScriptDomain_2003274655
hitch warning: frame time of 465 milliseconds

Please ask this question in the resources forum topic [Release] EssentialMode base