SAP Message 5W045 - Number range HRSOBJECT for subobject &1 is causing problems.

Diagnosis The number range object HRSOBJECT with the specified sub-object(Standard object type)provides no numbers. Consequently, it isnot possible to create standard objects of the above object type. Procedure Please check the number range for standard objects using transactionSNUM. For exclusively internal number retrieval (number assignment),only the interval '01' is used. This should not be marked as external.If such an entry does not exist, add one.