Compilation failures on install: R 3.6.1 on Mac

[dcroushore]

I get the following errors when installing from github:

** byte-compile and prepare package for lazy loading Error: compilation failed - bad assignment: ‘ApiVersionElement$new() <- ApiVersionElementObject’ at NULL Error: compilation failed - bad assignment: ‘LookBasic$new() <- LookBasicObject’ at NULL Error: compilation failed - bad assignment: ‘Dialect$new() <- DialectObject’ at NULL Error: compilation failed - bad assignment: ‘Dialect$new() <- DialectObject’ at NULL Error: compilation failed - bad assignment: ‘SpaceBase$new() <- SpaceBaseObject’ at NULL Error: compilation failed - bad assignment: ‘SpaceBase$new() <- SpaceBaseObject’ at NULL Error: compilation failed - bad assignment: ‘LookWithQuery$new() <- LookWithQueryObject’ at NULL Error: compilation failed - bad assignment: ‘ValidationError$new() <- ValidationErrorObject’ at NULL Error: compilation failed - bad assignment: ‘DialectInfoOptions$new() <- DialectInfoOptionsObject’ at NULL Error: compilation failed - bad assignment: ‘LDAPUser$new() <- LDAPUserObject’ at NULL Error: compilation failed - bad assignment: ‘UserIdOnly$new() <- UserIdOnlyObject’ at NULL Error: compilation failed - bad assignment: ‘UserIdOnly$new() <- UserIdOnlyObject’ at NULL Error: compilation failed - bad assignment: ‘UserIdOnly$new() <- UserIdOnlyObject’ at NULL Error: compilation failed - bad assignment: ‘LookmlModelExploreFieldset$new() <- LookmlModelExploreFieldsetObject’ at NULL Error: compilation failed - bad assignment: ‘LookmlModelExploreFieldTimeInterval$new() <- LookmlModelExploreFieldTimeIntervalObject’ at NULL Error: compilation failed - bad assignment: ‘GitStatus$new() <- GitStatusObject’ at NULL Error: compilation failed - bad assignment: ‘GitBranch$new() <- GitBranchObject’ at NULL Error: compilation failed - bad assignment: ‘Query$new() <- QueryObject’ at NULL Error: compilation failed - bad assignment: ‘PermissionSet$new() <- PermissionSetObject’ at NULL Error: compilation failed - bad assignment: ‘UserPublic$new() <- UserPublicObject’ at NULL Error: compilation failed - bad assignment: ‘UserPublic$new() <- UserPublicObject’ at NULL Error: compilation failed - bad assignment: ‘DBConnectionBase$new() <- DBConnectionBaseObject’ at NULL Error: compilation failed - bad assignment: ‘CredentialsEmail$new() <- CredentialsEmailObject’ at NULL

Session Info below:
> sessionInfo() R version 3.6.1 (2019-07-05) Platform: x86_64-apple-darwin15.6.0 (64-bit) Running under: macOS Catalina 10.15

[wgrosso]

Any news here? I get the same error on Windows 10 and wonder what the solution was?