Error(s) in re-building vignettes:
  ...
--- re-building ‘Spectral_analysis_sleep_electroencephalography.Rmd’ using rmarkdown
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

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  8  633M    8 56.4M    0     0  45.1M      0  0:00:14  0:00:01  0:00:13 45.1M
 20  633M   20  129M    0     0  57.8M      0  0:00:10  0:00:02  0:00:08 57.8M
 31  633M   31  200M    0     0  61.7M      0  0:00:10  0:00:03  0:00:07 61.7M
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 64  633M   64  408M    0     0  65.0M      0  0:00:09  0:00:06  0:00:03 70.0M
 68  633M   68  433M    0     0  59.8M      0  0:00:10  0:00:07  0:00:03 60.7M
 72  633M   72  459M    0     0  55.6M      0  0:00:11  0:00:08  0:00:03 51.7M
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 84  633M   84  537M    0     0  47.7M      0  0:00:13  0:00:11  0:00:02 25.9M
 89  633M   89  564M    0     0  46.1M      0  0:00:13  0:00:12  0:00:01 26.2M
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100  633M  100  633M    0     0  42.4M      0  0:00:14  0:00:14 --:--:-- 25.8M
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  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  153k  100  153k    0     0   412k      0 --:--:-- --:--:-- --:--:--  412k
--- finished re-building ‘Spectral_analysis_sleep_electroencephalography.Rmd’

--- re-building ‘Using_rsleep_and_SleepCycles_packages_to_detect_sleep_cycles.Rmd’ using rmarkdown
* installing *source* package ‘SleepCycles’ ...
** using staged installation
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (SleepCycles)
--- finished re-building ‘Using_rsleep_and_SleepCycles_packages_to_detect_sleep_cycles.Rmd’

+-+Using_rsleep_and_SleepCycles_packages_to_detect_sleep_cycles.html
Assertion failure at kmp_runtime.cpp(6918): temp_reg_status_file_name.
OMP: Error #13: Assertion failure at kmp_runtime.cpp(6918).
OMP: Hint Please submit a bug report with this message, compile and run commands used, and machine configuration info including native compiler and operating system versions. Faster response will be obtained by including all program sources. For information on submitting this issue, please see https://bugs.llvm.org/.
Assertion failure at kmp_runtime.cpp(6918): temp_reg_status_file_name.
OMP: Error #13: Assertion failure at kmp_runtime.cpp(6918).
OMP: Hint Please submit a bug report with this message, compile and run commands used, and machine configuration info including native compiler and operating system versions. Faster response will be obtained by including all program sources. For information on submitting this issue, please see https://bugs.llvm.org/.
Killed
SUMMARY: processing the following file failed:
  ‘Using_rsleep_and_SleepCycles_packages_to_detect_sleep_cycles.Rmd’

Error: Vignette re-building failed.
Execution halted