How To Fix TO139 - No namespace entries for SAP or customer name range

TO139 - Overview

• Message type: E = Error

• Message class: TO - Transport Organizer and Tools

• Message number: 139

• Message text: No namespace entries for SAP or customer name range

What causes this issue?

Object &V1& &V2& cannot be edited because there is no corresponding
entry for the SAP or customer name range in the namespace table.
Object names that do not begin with a namespace prefix (1st character
"/") belong to the standard namespace, which is subdivided into a name
range for SAP and a name range for customer developments. To edit
objects from these name ranges, the following entries must exist in the
namespace table:

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

/0CUST/ Objects from the customer name range
/0SAP/ Objects from the SAP name range
There is no entry in your SAP System corresponding to &V3&.

System Response

Editing is terminated.

How to fix this error?

Have your system administrator make the missing entries in the
namespace table.
Maintain the namespace table with the <DS:TRAN.SE03>Transport Organizer
Tools</> under <LS>Administration</> -> <LS>Display/Change Namespaces
</> The table entries must have the following attributes:
Namespace Namespace role SSCR popup SAP standard
========== =============== ========== ============
/0CUST/ P Off Off
/0SAP/ C On On
With these entries, the license fields remain empty. The "Only gen.
objs." flag remains deactivated.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TO139 - No namespace entries for SAP or customer name range ?

  The SAP error message TO139 indicates that there are no namespace entries for the specified SAP or customer name range. This typically occurs when you are trying to create or access an object (like a function module, class, or other development objects) that requires a namespace, but the system cannot find the appropriate entries.
  
  Cause:
  
  Missing Namespace Entries: The error usually arises when the system does not have the necessary namespace entries defined for the SAP or customer namespace. This can happen if the system is not properly configured or if the namespaces have not been set up correctly.
  Development System Configuration: In a development environment, if the namespaces are not defined or if the system is not set up to recognize them, this error can occur.
  Transport Layer Issues: If there are issues with the transport layer or if the transport routes are not correctly configured, it may lead to this error.
  
  
  Solution:
  
  
  Check Namespace