SSIS: The Script Task “xxxx” uses version 15.0 script that is not supported in this release of Integration Services

What is this error message and how do you fix it? I had a script task in one of my SSIS packages and when I deployed it and tried to run it I received this message:

Load multiple Excel Tabs:Error: There was an exception while loading Script Task from XML: System.Exception:
The Script Task "ST_9a61fb4231de4386a89bc7783e2f024b" uses version 15.0 script that is not supported in this release of Integration Services.
To run the package, use the Script Task to create a new VSTA script. In most cases, scripts are converted automatically to use a
supported version, when you open a SQL Server Integration Services package in %SQL_PRODUCT_SHORT_NAME% Integration Services.
at Microsoft.SqlServer.Dts.Tasks.ScriptTask.ScriptTask.LoadFromXML(XmlElement elemProj, IDTSInfoEvents events)

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