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"Error in isNamespaceLoaded" when pressing F1 on help topic completions #2261

jmcphers opened this issue Feb 23, 2018 · 3 comments


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System details

RStudio Edition: all
RStudio Version : 1.1.383, 1.1.423, 1.2.359
OS Version      : macOS 10.13.3
R Version       : 

Steps to reproduce the problem

  1. Type ?plot. at the console, and wait for help topic autocompletions to appear.
  2. Select an autocompletion with the arrow keys, e.g. plot.acf
  3. Press F1 to see help on the function.


Describe the problem in detail

No help appears, and the following error message is displayed at the console:

Error in isNamespaceLoaded(pkg) : 
  attempt to use zero-length variable name
@jmcphers jmcphers added this to the v1.2 milestone Feb 23, 2018
@kevinushey kevinushey self-assigned this Feb 23, 2018
@jmcphers jmcphers modified the milestones: v1.2, v1.1-patch Feb 26, 2018
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ronblum commented Mar 5, 2018

Still a problem in Mac Desktop 1.1.430. (Works in 1.2.379-1.)

@ronblum ronblum reopened this Mar 5, 2018
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ronblum commented Mar 5, 2018

Remarking as closed—awaiting another build to pick up this fix.

@ronblum ronblum closed this as completed Mar 5, 2018
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ronblum commented Mar 7, 2018

Verified on Mac Desktop 1.1.441 and RStudio Server 1.1.441 on CentOS 7.4

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3 participants