Error: package or namespace load failed for ‘Epi’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so':
  dlopen(/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so, 6): Library not loaded: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libc++.1.dylib
  Referenced from: /Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so
  Reason: image not found
Call sequence:
6: stop(msg, call. = FALSE, domain = NA)
5: value[[3L]](cond)
4: tryCatchOne(expr, names, parentenv, handlers[[1L]])
3: tryCatchList(expr, classes, parentenv, handlers)
2: tryCatch({
       attr(package, "LibPath") <- which.lib.loc
       ns <- loadNamespace(package, lib.loc)
       env <- attachNamespace(ns, pos = pos, deps)
   }, error = function(e) {
       P <- if (!is.null(cc <- conditionCall(e))) 
           past
Execution halted
Error: package or namespace load failed for ‘Epi’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so':
  dlopen(/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so, 6): Library not loaded: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libc++.1.dylib
  Referenced from: /Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so
  Reason: image not found
Call sequence:
6: stop(msg, call. = FALSE, domain = NA)
5: value[[3L]](cond)
4: tryCatchOne(expr, names, parentenv, handlers[[1L]])
3: tryCatchList(expr, classes, parentenv, handlers)
2: tryCatch({
       attr(package, "LibPath") <- which.lib.loc
       ns <- loadNamespace(package, lib.loc)
       env <- attachNamespace(ns, pos = pos, deps)
   }, error = function(e) {
       P <- if (!is.null(cc <- conditionCall(e))) 
           past
Execution halted
Error: package or namespace load failed for ‘Epi’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so':
  dlopen(/Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so, 6): Library not loaded: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libc++.1.dylib
  Referenced from: /Volumes/XT3/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.4/Rcpp/libs/Rcpp.so
  Reason: image not found
Call sequence:
6: stop(msg, call. = FALSE, domain = NA)
5: value[[3L]](cond)
4: tryCatchOne(expr, names, parentenv, handlers[[1L]])
3: tryCatchList(expr, classes, parentenv, handlers)
2: tryCatch({
       attr(package, "LibPath") <- which.lib.loc
       ns <- loadNamespace(package, lib.loc)
       env <- attachNamespace(ns, pos = pos, deps)
   }, error = function(e) {
       P <- if (!is.null(cc <- conditionCall(e))) 
           past
Execution halted