Nothing
`ncol` must be a whole number or `NULL`, not an integer vector.
`ncol` must be a whole number larger than or equal to 1 or `NULL`, not the number -1.
`ncol` must be a whole number or `NULL`, not the number 1.5.
`nrow` must be a whole number or `NULL`, not an integer vector.
`nrow` must be a whole number larger than or equal to 1 or `NULL`, not the number -1.
`nrow` must be a whole number or `NULL`, not the number 1.5.
Need 3 panels, but together `nrow` and `ncol` only provide 1.
i Please increase `ncol` and/or `nrow`.
`facet_wrap()` can't use free scales with `coord_fixed()`.
`coord_fixed()` doesn't support free scales.
Free scales cannot be mixed with a fixed aspect ratio.
"ROW" is not an allowed name for faceting variables.
i Change the name of your data columns to not be "PANEL", "ROW", "COL", "SCALE_X", or "SCALE_Y".
"ROW" and "PANEL" are not allowed names for faceting variables.
i Change the name of your data columns to not be "PANEL", "ROW", "COL", "SCALE_X", or "SCALE_Y".
"ROW" is not an allowed name for faceting variables.
i Change the name of your data columns to not be "PANEL", "ROW", "COL", "SCALE_X", or "SCALE_Y".
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