Setup Accounting/GL Calendar

Dear all,

 

i have a problem during setup Accounting Calendar for 2015 in my ADJ period.

sample below :

 

Prefix     Year      From                  To

ADJ2      2015     01-DEC-2015      31-DEC-2105

 

i try to change it but error message was occur, "APP-SQLGL-08044: You can only modify periods that have never been used "

 

what is the effect if i use this calendar?

is there a way to fix it?

 

 

Regards,

Suryadi