Hi,
The following error is produced when executing the green15_3 script
# generate panelized variables (stacked time series)
? series It = stack(I_GM,I_CH,I_GE,I_WE,I_US)
stack: too many arguments
Error executing script: halting
series It = stack(I_GM,I_CH,I_GE,I_WE,I_US)
Best,
Artur