10000594 
Message
Holiday has been removed
Diagnosis
In the Company Details window, on the Accounting Data tab, in the Holidays dropdown list, you have selected a holiday table. However, by the time you have chosen the Update button, the holiday table you have selected has been removed.
Procedure
In the Company Details window, on the Accounting Data tab, in the Holidays dropdown list, make sure that you select a holiday table that has not been removed.