How To Fix DT102 - Tab. &: Activation type=1 (Activation not possible online)

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 102

• Message text: Tab. &: Activation type=1 (Activation not possible online)

What causes this issue?

The activation type defines whether the table can be activated directly
from the ABAP Dictionary or whether the runtime object must be generated
using a C-program before the table can be activated in the ABAP
Dictionary.
Activation type 1 was selected for the specified table. The runtime
object must be generated using a C-program before the table can be
activated from the ABAP Dictionary.

System Response

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

How to fix this error?

If you want to change the activation type, you can do this from the
table maintenance screen through <LS>Details -> Activation Type</>.
You can call the F4 or F1 help in the field <LS>Activation Type</> to
display the input options and to have them explained.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT102 - Tab. &: Activation type=1 (Activation not possible online) ?

  The SAP error message DT102, which states "Tab. &: Activation type=1 (Activation not possible online)," typically occurs during the activation of a data dictionary object, such as a table or view, in the ABAP Dictionary. This error indicates that the activation of the object cannot be performed online due to certain constraints or conditions.
  Cause:
  
  Database Locking: The database might be locked for maintenance or due to other transactions that are currently running.
  Inconsistent Data: There may be inconsistencies in the data dictionary that prevent the activation.
  Transport Issues: If the object is part of a transport request, there may be issues with the transport that need to be resolved.
  System Configuration: Certain system settings or configurations may prevent online activation.
  Dependencies: The object may have dependencies on other objects that are not activated or are in an inconsistent state.
  
  Solution:
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the database that might be preventing the activation. If locks are found, they may need to be released.
  Consistency Check: Run a consistency check on the data dictionary using transaction SE11 or SE14 to identify any inconsistencies that need to be resolved.
  Transport Management: If the object is part of a transport request, ensure that the transport is correctly imported and that there are no issues with the transport logs.
  Activate in Background: If online activation is not possible, consider activating the object in the background using transaction SE11 or SE14. This can sometimes bypass the restrictions of online activation.
  Check Dependencies: Ensure that all dependent objects are activated and in a consistent state. You may need to activate them first before attempting to activate the object in question.
  System Configuration: Review system settings and configurations that may affect activation. Consult with your Basis team if necessary.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SM12 (Lock Entries).
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for "DT102" in the SAP Support Portal.
  Documentation: Review SAP documentation on data dictionary objects and activation processes for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.