The SAP System manages Purchase
Requisition as documents. Each document type is assigned to a Number range
Interval. This interval is further assigned to a Number series. This series is
generated whenever a new Requisition is Created. These number series are either
assigned by the user at the time of entry (i.e. externally) or by the system
(i.e. internally).Path to Define Number Ranges for Purchase
Requisition (PR)
|
T Code
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OMH7
|
|
Path
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IMG⇒ Material Management⇒ Purchasing⇒ Purchase Requisition⇒ Define Number Ranges
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Click on Change Intervals
Click on Insert Interval
Maintain object number and number
range then click on 
insert Save.
