Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/jellyfin/commit/5c5cc212aa7e3d9a4c595e22ce6b54717afe3d3d
You should set ROOT_URL correctly, otherwise the web may not work correctly.
builder.Append("+(Select Case When Abs(COALESCE(ProductionYear, 0) - @ItemProductionYear) < 5 Then 2 Else 0 End )");
//// genres
builder.Append("+ ((Select count(value) from ItemValues where ItemId=Guid and Type=2 and value in (select value from itemvalues where ItemId=@SimilarItemId and type=2)) * 10)");
builder.Append("+ ((Select count(CleanValue) from ItemValues where ItemId=Guid and Type=2 and CleanValue in (select CleanValue from itemvalues where ItemId=@SimilarItemId and type=2)) * 10)");
//// tags
builder.Append("+ ((Select count(value) from ItemValues where ItemId=Guid and Type=4 and value in (select value from itemvalues where ItemId=@SimilarItemId and type=4)) * 10)");
builder.Append("+ ((Select count(CleanValue) from ItemValues where ItemId=Guid and Type=4 and CleanValue in (select CleanValue from itemvalues where ItemId=@SimilarItemId and type=4)) * 10)");
builder.Append("+ ((Select count(value) from ItemValues where ItemId=Guid and Type=5 and value in (select value from itemvalues where ItemId=@SimilarItemId and type=5)) * 10)");
builder.Append("+ ((Select count(CleanValue) from ItemValues where ItemId=Guid and Type=5 and CleanValue in (select CleanValue from itemvalues where ItemId=@SimilarItemId and type=5)) * 10)");
builder.Append("+ ((Select count(value) from ItemValues where ItemId=Guid and Type=3 and value in (select value from itemvalues where ItemId=@SimilarItemId and type=3)) * 3)");
builder.Append("+ ((Select count(CleanValue) from ItemValues where ItemId=Guid and Type=3 and CleanValue in (select CleanValue from itemvalues where ItemId=@SimilarItemId and type=3)) * 3)");
//builder.Append("+ ((Select count(Name) from People where ItemId=Guid and Name in (select Name from People where ItemId=@SimilarItemId)) * 3)");