CODEWITHSUNDEEP
rrcpp
Dimitris
Dimitris

Reputation: 2036

Rcpp could not be loaded

Any idea why I keep getting the message below in R?

Error : .onLoad failed in loadNamespace() for 'Rcpp', details:
    call: .External("class__dummyInstance", ...)
    error: C symbol name "class_dummyInstance" not in load table
Error: package 'Rcpp' could not be loaded

I have tried everything and it seems that nothing can fix this problem. The machine used is not mine but a client's. There are a lot of restrictions from IT and they have roaming profiles. I installed the 32-bit and 64-bit, just the 32-bit and just the 64-bit but nothing. The machine has Windows 7 64-bit.

So any ideas?

Upvotes: 0

Views: 754

Answers (1)

Romain Francois
Romain Francois

Reputation: 17642

This is a bug in Rcpp that calls this registered symbol as if it was not. The problem is the definition of new_dummyObject: 

new_dummyObject <- function(...)
    .External( "class__dummyInstance", ...)

should be

new_dummyObject <- function(...)
    .External( class__dummyInstance, ...)

I submitted an issue here.

Upvotes: 1

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