Error:
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 100000 in chart of accounts FICO.
System Response
The document cannot be posted.
Procedure
Assign an item category to the account specified. You do this in Customizing for Document Splitting under Classify G/L Accounts for Document Splitting.
Solution:
There are two ways to resolve this error :-
Option 1: Without deactivating Document splitting
STEP 1: Go to SPRO > IMG > FI > GL > Business Transactions > Document Splitting > Classify G/L Accounts for Document Splitting
STEP 2: Click on New Entries then Enter G/L Account range "From - To" against Item category and SAVE
Option 2: when Document splitting is active (NOTE: Do not try this in the production Environment)
STEP 1: Go to SPRO > IMG > FI > GL > Business Transactions > Document Splitting > Activate Document Splitting
STEP 2: Select Deactivation per company code > click on position find your company code and click on Inactive against it > SAVE
Thanks,
Adharsh