Error in get_weakref(pool[[hash]]) :
attempt to use zero-length variable name
mongolite version : 2.0.1
version.string R version 3.5.1 (2018-07-02)
platform x86_64-redhat-linux-gnu
3.10.0-957.1.3.el7.x86_64 #1 SMP Thu Nov 15 17:36:42 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Error in get_weakref(pool[[hash]]) : attempt to use zero-length variable name
mongolite version : 2.0.1 version.string R version 3.5.1 (2018-07-02) platform x86_64-redhat-linux-gnu 3.10.0-957.1.3.el7.x86_64 #1 SMP Thu Nov 15 17:36:42 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux