How to treat this critical warn?

Critical Warning (15537): Implemented PLL "mypll_calin:inst1|altpll:altpll_component|pll" as Enhanced PLL type, but with critical warnings

Critical Warning (15526): PLL "mypll_calin:inst1|altpll:altpll_component|pll" has settings that may result in high compensation variability

Info (15099): Implementing clock multiplication of 419, clock division of 2100, and phase shift of 0 degrees (0 ps) for mypll_calin:inst1|altpll:altpll_component|_clk0 port