Parallel configuration test error in Dynare

Configuration file content:

[cluster]
Name=Local
Members=n1

[node]
Name=n1
ComputerName=localhost
CPUnbr=2

Error content is as follows:

Testing computer -> localhost <- …

Check on Local Variable … Ok!

Checking Hardware please wait …
The command causing the error was:
Undefined function or variable ‘command_string’.

Error in AnalyseComputationalEnvironment (line 559)
disp(command_string)

Error in RBC_MA2020.driver (line 166)
ErrorCode = AnalyseComputationalEnvironment(options_.parallel,
options_.parallel_info);

Error in dynare (line 293)
evalin(‘base’,[fname ‘.driver’]) ;