"Global name 'world' is not defined" in Client Tag Change script

[JordanCClark]

There is a scoping issue:

Gateway Script global name not defined

Yes. This is happening because there is a bug in Ignition with Gateway scripts. Gateways scripts still have the old legacy scoping enabled by default. The bug is this: variables defined in the outermost scope can not be see by functions. In this case you have the generateReportPart variable that holds a function and you try to execute it in the generateReport function. This is perfect legal Python – but as I said the error occurs because of the scoping bug in Gateway scripts. I wrote about…