SAP Knowledge Base Article - Public

1670893 - Error: 'Unknown Database Connector Error. Access violation - no RTTI data!' when attempting to edit a report in Crystal Reports

Symptom

  • Error: Unknown Database Connector Error. Access violation - no RTTI data!
  • Attempting to edit a Universe query generate an error.
  • In Crystal Reports, when attempting to edit the query of a report based off a Universe after it has been open for more than 20 minutes, it displays the error:
     
    "Unknown Database Connector Error"
    "Details: Access violation - no RTTI data!"
     
    RTTI Error.png 

Environment

  • SAP Crystal Reports 2011
  • SAP Crystal Reports 2013
  • SAP Crystal Reports 2016

Reproducing the Issue

  1. In Crystal Reports, create or open a report based off a Universe.
  2. Leave the report open for about 20 minutes.
  3. When attempting to edit the query of the report, it generates the following error:

Unknown Database Connector Error

Details: Access violation – no RTTI data!

Cause

  • The cause of the issue was with the Webi service, which Crystal Reports uses to connect to a Universe.
  • This issue has been tracked under SAP Note 2213862

Resolution

  • The issue is resolved in the following product updates of Crystal Reports and the SAP BusinessObjects Business Intelligence Platform:
       
    • Crystal Reports 2013 and SAP BI 4.1:
      • Support Pack 06 - Patch 10
      • Support Pack 07 - Patch 6
      • Support Pack 08 - Patch 1
      • Support Pack 09
              
    • Crystal Reports 2016 and SAP BI 4.2:
      • Support Pack 02 - Patch 3
      • Support Pack 03
            
  • If you cannot apply the product update for some time, then a workaround to be able to edit your query, will be to close and reopen Crystal Reports:
           
    1. Save your report locally, if necessary.
    2. Close Crystal Reports
    3. Reopen Crystal Reports
    4. Open your report based off a Universe.

You will now be able to edit your Universe query

Keywords

CR, Crystal Reports, Semantic Layer Universe, Edit Query , KBA , BI-RA-CR , Crystal Reports designer or BusinessViews Manager , Bug Filed

Product

SAP Crystal Reports 2011 ; SAP Crystal Reports 2013 ; SAP Crystal Reports 2016