Chart of accounts not defined

Hi

We processing the Customer Idocs but it will not process for particular site;0607 It will shows the error message:

Chart of accounts is not defined

Message no. F5505

Diagnosis

Chart of accounts "" has not been created.

System response

System error.

Procedure

Correct the entry in the company code table or create chart of accounts

"".

This is the error message Iam getting Its very urgent some body is help on that.

Thanks in advance

Regards

Lakshmi Narayana