Sometimes you might get the following error while opening an existing SSIS Package and trying to add a Zappsys component/task.
System.MissingMethodException: Method not found: 'ZappySys.Common.LcInfo ZappySys.PowerPack.Common.UtilPublic.LCCHK(System.Collections.Generic.List`1<ZappySys.Common.LicenseType>, ZappySys.Common.LicenseType)'.
In most cases, it happens due to the upgrade SSIS PowerPack on the machine/server. And you are trying the open existing SSIS Package and trying to add a Zappsys component/task, SSIS Package which has been developed using an older SSIS PowerPack.
Refresh the SSIS Toolbox in Visual Studio to instantiate the updated ZappySys components.
Right-click anywhere in the SSIS Toolbox, and select "Refresh Toolbox"
And after that try to add the ZappySys Task/Component and you will be able to add it.
If you have more question(s) feel free to contact us via Live chat or email at firstname.lastname@example.org
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