Decision Trees

I'm very interested in using this visual. However, I keep getting this error... any help would be appreiciated. I don't have much R experience but did use SPSS for several years so the opportunity to bring similar tools was exciting. 

Feedback Type:
Frown (Error)

Timestamp:
2021-09-03T15:01:58.9672630Z

Local Time:
2021-09-03T11:01:58.9672630-04:00

Session ID:
0e75c987-d3a5-4196-94e5-3beee65e93a5

Release:
August 2021

Product Version:
2.96.1061.0 (21.08) (x64)

Error Message:
R script error.
Loading required package: rpart
Loading required package: rpart.plot
Warning message:
package 'rpart.plot' was built under R version 4.0.5
Loading required package: RColorBrewer
Error: package or namespace load failed for 'RColorBrewer':
package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Warning message:
In libraryRequireInstall("RColorBrewer") :
*** The package: 'RColorBrewer' was not installed ***
Error: package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Execution halted

Stack Trace:
Microsoft.PowerBI.ExploreServiceCommon.ScriptHandlerException: R script error.
Loading required package: rpart
Loading required package: rpart.plot
Warning message:
package 'rpart.plot' was built under R version 4.0.5
Loading required package: RColorBrewer
Error: package or namespace load failed for 'RColorBrewer':
package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Warning message:
In libraryRequireInstall("RColorBrewer") :
*** The package: 'RColorBrewer' was not installed ***
Error: package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Execution halted
---> Microsoft.PowerBI.Scripting.R.Exceptions.RScriptRuntimeException: R script error.
Loading required package: rpart
Loading required package: rpart.plot
Warning message:
package 'rpart.plot' was built under R version 4.0.5
Loading required package: RColorBrewer
Error: package or namespace load failed for 'RColorBrewer':
package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Warning message:
In libraryRequireInstall("RColorBrewer") :
*** The package: 'RColorBrewer' was not installed ***
Error: package 'RColorBrewer' was installed before R 4.0.0: please re-install it
Execution halted

at Microsoft.PowerBI.Scripting.R.RScriptWrapper.RunScript(String originalScript, Int32 timeoutMs)
at Microsoft.PowerBI.Client.Windows.R.RScriptHandler.GenerateVisual(ScriptHandlerOptions options)