My company code is 1981.
THERE IS NO ITEM CATEGORY ASSIGNED TO ACCOUNT 201000/1981.

When I double click on error it gives following message:

There is no item category assigned to account 201000/1981
Message no. GLT2076

DIAGNOSIS
The online document splitting is active in your system. Here, each document is assigned to a accounting transaction variant and each document row to an item category.  You determine for each business transaction variant which item categories can or must be posted here.

The following error occurred for the document you entered:

No item category could be determined for account 201000 in chart of accounts 1981.

SYSTEM RESPONSE
The document cannot be posted.

PROCEDURE
Assign an item category to the account specified.

Resolution:

If you use the new GL features and the document splitting is activated, just define a splitting ducument rules: Path: financial accounting (new)--> General ledger accounting (new)--> Business transactions- ->document sptitting--> extended document splitting--> define splitting rules.

   OR 

Try this,

SPRO--> Financial Accounting (New) --> General Ledger Accounting (New) --> Business Transactions --> Document Splitting --> Classify G/L Accounts for Document Splitting = select -  ''Classify G/L Accounts for Document Splitting'' ,  - give COA , - fill " A/c from , A/c TO here you have to give all your G/L Accounts like for Liablities 100000 to 199999 & next Assets , Income & lastly Expenses. In Catt List & Desc please give 001000 for Liabilities & Assets, for Income items 30000 & for Exp itens 20000. save it will work. 

After this entry you will get one more entry (try this first)

      OR 

Go for simple please select:

SPRO--> Financial Accounting (New) --> General Ledger Accounting (New) --> Business Transactions --> Document Splitting --> Classify G/L Accounts for Document Splitting-->Activate Doument Splitting,

In this screen select Deactivation per Co.code (leftside) & select your co.code make  or check the inactive check box. 

You WOULD NOT get the ITEM CATEGORY ERROR.

SAP FICO Reference Books:
SAP Financial and Controlling Interview Questions, Certification and Configuration, Books

Goto SAP CO Tips:
SAP Controlling

Back to SAP FI Tips:
SAP FI (Financial Accounting) Configuration Hints and Tips

Return to :-
SAP ABAP/4 Programming, Basis Administration, Configuration Hints and Tips

SAP FI