error The indexing 11 in the array is outside of the permitted range when make indentation to new account problem

Hi guys i have problem when i create new account in chart of account form it come to me message error as following

"The indexing 11 in the array is outside of the permitted range" what i do to solve this problem and why this happen

this message show to me when i make indentation to new account

I have dynamic nav 2009 r2

my licence client license

sql server 2005

and i dont change or customize any thing or form or table in database

You cannot nest Begin/End totals more than 10 layers deep.

I cannot understand can you give me more details

5756.problem.bmp (2.25 MB)

I suppose there are some “Begin-Total” accounts withouth the corresponding “End-Total”, so the indenting index exceed the maximum depth allowed (10).