Code
df_append(df1, df2, after = 1.5)
Condition
Error in `df_append()`:
! `after` must be a whole number, not the number 1.5.
i This is an internal error that was detected in the tidyr package.
Please report it at <https://github.com/tidyverse/tidyr/issues> with a reprex (<https://tidyverse.org/help/>) and the full backtrace.
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