There is an issue in the CycleObject table of the database on the SQL server which may not always be directly visible.

1. In each Company to be merged, go to, File and Edit Company.
2. Change the Business Start date to a different year, select OK, then Yes to save the change,
3. Change the Business Start date back to the original Business Start date.
4. Select OK, then Yes to save the change.
5. If the Business Start date is not on the first of the month, change it to be the first of the month. Select OK, then Yes to save the change.
6. Then enter the short year or try the merge company again.

Note: It is Important to note the Calendar Used in each book. On creating a new company in Premier, it is the default to use only one calendar for all books where older Premier companies or companies migrated from the Sybase products will have each book assigned it own calendars which creates a hidden mis-match between the companies. If, and only if, one company is using all calendars, all other companies must have a different calendar assigned to each book.

[BCB:165:Chat Fixed Assets US:ECB]