SIMS not matching pupils correctly
This might affects schools with hosted SIMS as they have to use the reports from www.4matrix.com/simsreports
If there is no MIS ID then the creation of the marksheet generates one automatically, hence it causes issues with pupil matching.
If you are using a report which was download prior to December 2016 you should download the latest versions from the link above or from the link at Step 2 of the SIMS Extract tool.