Diagnosis
There is an incorrect or no number range for the process you want tocarry out.

System Response
The system can not assign the process a clearly identified number.

Procedure
Choose Tools -> ABAP Workbench -> Development -> Further Tools ->Number ranges
Enter the object name HR_PROCESS and choose Number ranges
.
Choose Change intervals.
If an entry already exists, delete it.
Create the following interval:
No. = 01
From number = 0000000001
To number = 9999999999
Number range = 0000000000
EXT =
Save your entries and continue with the process.