Updating and Repairing SLD

For updating the SLD refer to SAP note:
Note 669669 - Updating the SAP Component Repository in the SLD

For repairing the SLD refer to SAP note:
Note 1093168 - Repair of SLD CR content
Build the reference SLD using an import of data from the same model version and CR data version as the afflicted local productive SLD.
Run the CRRepair process to rebuild the sld/active SLD to a clean version of the data.