Writes an error message to the log. Error will be written both to the log and the message file. For the log, the error will be written at the point the function is called. This function is used internally.
See also
log_warning to write a warning message to the log.
Examples
library(logr)
# Create temp file location
tmp <- file.path(tempdir(), "test.log")
# Open log
lf <- log_open(tmp)
# Send error message to log
log_error("Here is a error")
#> Error: Here is a error
#> Error: Here is a error
# Close log
log_close()
#> Log is not open.
# View results
writeLines(readLines(lf))
#> =========================================================================
#> Log Path: /tmp/RtmpI4bEze/log/test.log
#> Working Directory: /tmp/.tmpGy5KKX/docs/logr/1.4.1/src/docs/reference
#> User Name: runner
#> R Version: 4.6.2 (2026-10-29)
#> Machine: runnervm48cm3 x86_64
#> Operating System: Linux 7.0.0-1017-azure #17~24.04.1-Ubuntu SMP PREEMPT Thu Sep 24 18:46:57 UTC 2026
#> Base Packages: stats graphics grDevices utils datasets methods base
#> Other Packages: logr_1.4.1 common_1.1.5
#> Log Start Time: 2026-10-29 23:26:59.603234
#> =========================================================================
#>
#> Error: Here is a error
#> =========================================================================
#> Log End Time: 2026-10-29 23:26:59.606261
#> Log Elapsed Time: 0 00:00:00
#> =========================================================================