Define Number Range Interval
Path
SPRO -Select the Sap Reference IMG - Financial Accounting - Financial Accounting Global Settings - Documents - Document Number Ranges - Define Document Number Ranges (Transaction Code is FBN1)
In the SAP Reference IMG select the menu path
Step 1) Give the Company code and select the change intervals button
Step 2) In the next screen press the insert interval button
Populate the following fields: No, Year, From number and To number and press enter
Select the save button
Ignore the message press enter

SPRO -Select the Sap Reference IMG - Financial Accounting - Financial Accounting Global Settings - Documents - Document Number Ranges - Define Document Number Ranges (Transaction Code is FBN1)
Step 1) Give the Company code and select the change intervals button
Populate the following fields: No, Year, From number and To number and press enter
Select the save button
Ignore the message press enter