Create a workbench transport request manually with transaction SE09. Delete the corresponding unclassified task of that request. Double click on the transport request and click on button 'edit <-> change'. For Program ID ENTER R3TR, for Object Type enter TABU and for Object NAME enter SXMSALERTRULES.

Now click on the button with the key symbol (located under 'Function'). Click on 'Insert ROW' and enter * for table key. Save the request, release it and import it in the target system. Refer SAP Note 1110295

Create a workbench transport request manually with transaction SE09. Delete the corresponding unclassified task of that request. Double click on the transport request and click on button 'edit <-> change'. For Program ID enter R3TR, for Object Type enter TABU and for Object Name enter SXMSALERTRULES.

Now click on the button with the key symbol (located under 'Function'). Click on 'Insert row' and enter * for table key. Save the request, release it and import it in the target system. Refer SAP Note 1110295