« Prev | Next » Error: VCP6251 Error in SLP repository: Unknown repository object type Description When I compile my design in Riviera-PRO, I receive the above error. How can I fix this? Solution It is possible that the working library is corrupted and will need to be emptied. There are two ways to empty the working library: In the GUI Right-click the working library in the Library Manager In the pop-up window, select Empty Recompile your design In a script Please use the following command: adel -lib <library_name> -all If you are still experiencing the error, please create a support ticket in the support portal. Previous article Next article