Forum:Year not a number

Child Table Missing Years
Hi Robin - I notice for some time now that when calcuating a showfacts children table, it is dropping years prior to 1575. "year not a number" - example on Nicholas St Lawrence (1460-1526). It does okay with dates after about 1597. Any ideas on this? MainTour (talk) 02:55, December 5, 2016 (UTC)


 * The reason for the cut-off year (around 1590) is probably that that was when Pope Gregory revised the calendar (ignored until 1751 by Protestants). See Gregorian calendar. But why our software now has problems is something best answered by User:Thurstan, I expect. I'm copying this to a forum because numerous contributors will eventually be asking the same question unless we can fix it. -- Robin Patterson (Talk) 03:36, December 6, 2016 (UTC)