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· Sep 25, 2023

ZPM: install vs install -dev

#InterSystems Package Manager (IPM) #InterSystems IRIS for Health

Hello, I'm developing a custom ZPM package and debugging the installer.

In default mode (zpm install), the process terminates with the following error:
ERROR! : <COMMAND>LoadNewModule+133^%ZPM.PackageManager.Developer.Utils.1 *NoTransaction

With the -dev flag (zpm install -dev) everything works fine.
What could be the problem?

Product version: IRIS 2023.2
Discussion (2)1
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Julius Kavay · Sep 25, 2023

Usually, you get a <COMMAND> error, if you call a (class)method as an expression but the called method does not provide a value 

Method SomethingErr()
{
    write "Hello"
}

Method SomethingOk()
{
    quit "Hello"
}


do ..SomethingErr() // this is OK
do ..SomethingOK()  // this is OK
write ..SomethingErr() // gives a <COMMAND> error
write ..SomethingOK()  // is OK
ObjectScript
ObjectScript
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