Function write_province_and_sea_managers 

pub fn write_province_and_sea_managers(
    inputs: &WorldInputs<'_>,
    plan: &WorldPlan<'_>,
    sight: &SightPlan,
) -> Result<ProvinceRecords>

Writes the province manager and the sea region manager.

Returns

The two records, with the ids later records continue from.

Errors

Returns an error if a table, column or layout is missing.