TidyQuant Pivot_table Error

# Row (Tidy/Long) Format
stock_data_tbl %>%
    pivot_table(
        .rows = c(symbol, ~ YEAR(date), ~ MONTH(date)),
        .values = ~ PCT_CHANGE_FIRSTLAST(adjusted)
    )

Error in is_call(expr, paren_sym) : argument "expr" is missing, with no default