Error - 'The Year End Process could not complete...' when performing a year end

To resolve this issue Support will need to run some scripts on the database. Therefore please raise a new case online and reference the title of this article and please include details about whether the system crashed during a period end at all.

Error - 'A Period/Year End cannot take place while a Sales Allocation is being updated'

Error - 'A Period/Year End cannot take place while a Purchase Allocation is being updated' when trying to run a period end in the purchase ledger

Error - 'This Transaction is already being processed by another user...' when posting journal from batch

Error - 'Sorry an unexpected error has occurred' when loading customer and supplier lists after a year end

Error - 'The Year End process could not complete. Subquery returned more than 1 value...' when completing year end