Error: there is no package called ‘lava’
Call sequence:
17: doWithOneRestart(return(expr), restart)
16: withOneRestart(expr, restarts[[1L]])
15: withRestarts(stop(cond), retry_loadNamespace = function() NULL)
14: loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
13: namespaceImport(ns, loadNamespace(i, c(lib.loc, .libPaths()), 
        versionCheck = vI[[i]]), from = package)
12: loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
11: asNamespace(ns)
10: namespaceImportFrom(ns, loadNamespace(j <- i[[1L]], c(lib.loc, 
        .libPaths()), versionCheck = vI[[j]]), i[[2L]], from = package)
9: loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
8: asNamespace(ns)
7: namespaceImportFrom(ns, loadNamespace(j <- i[[1L]], c(lib.loc, 
       .libPaths()), versionCheck = vI[[j]]), i[[2L]], from = package)
6: loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
5: namespaceImport(ns, loadNamespace(i, c(lib.loc, .li
Execution halted
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : 
  there is no package called ‘lava’
Calls: <Anonymous>
Execution halted

Error: there is no package called ‘lava’
Call sequence:
17: doWithOneRestart(return(expr), restart)
16: withOneRestart(expr, restarts[[1L]])
15: withRestarts(stop(cond), retry_loadNamespace = function() NULL)
14: loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
13: namespaceImport(ns, loadNamespace(i, c(lib.loc, .libPaths()), 
        versionCheck = vI[[i]]), from = package)
12: loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
11: asNamespace(ns)
10: namespaceImportFrom(ns, loadNamespace(j <- i[[1L]], c(lib.loc, 
        .libPaths()), versionCheck = vI[[j]]), i[[2L]], from = package)
9: loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
8: asNamespace(ns)
7: namespaceImportFrom(ns, loadNamespace(j <- i[[1L]], c(lib.loc, 
       .libPaths()), versionCheck = vI[[j]]), i[[2L]], from = package)
6: loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
5: namespaceImport(ns, loadNamespace(i, c(lib.loc, .li
Execution halted