[wlug] A Homegrown Excel Bug?

A correction to MBIE’s report on current fuel reserves <https://www.nzherald.co.nz/nz/politics/mbie-clarifies-fuel-data-showing-far-more-diesel-and-jet-fuel-adds-extra-shipment/IVYCA3KLT5D33PN5UJ7MM2OPNA/> adds a previously-missing column showing ships that are currently “discharging” their fuel load. This gives an extra 16 days’ supply of diesel that was previously reported as only on its way here, not actually here. How do you miss out a column from a report? Answers on a postcard, please ...