How To Fix EDER101 - Ext. number &1 is already allocated to provider &2 service category &3

EDER101 - Overview

• Message type: E = Error

• Message class: EDER - IS-U Deregulation

• Message number: 101

• Message text: Ext. number &1 is already allocated to provider &2 service category &3

What causes this issue?

The external number (USA: DUNS number) has already been allocated to a
service provider and a service type.

System Response

The system canceled processing because the number must be uniquely
assigned to one service provider and one service type.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

EDER101 - Details

• The SAP error message EDER101 indicates that an external number (in this case, &1) is already allocated to a specific provider (&2) and service category (&3). This error typically occurs in the context of service management or when dealing with external number ranges in SAP.
  
  Cause:
  
  Duplicate Allocation: The external number you are trying to allocate is already in use by another provider or service category. This can happen if the number range is not properly managed or if there is an attempt to reuse a number that is already assigned.
  
  Configuration Issues: There may be issues with the configuration of number ranges in the system, leading to conflicts when trying to allocate numbers.
  Data Entry Errors: Sometimes, the error can arise from incorrect data entry or selection of the provider or service category.
  
  
  Solution:
  
  Check Existing Allocations: Verify if the external number you are trying to allocate is indeed already in use. You can do