Troubleshooting
Problem
Running reports online as HTML generates blank empty report output with an error message "error, see logs".
Symptom
Issue only exists on IBM Cognos Analytics 12.0.1+ release environments, where content store upgraded from legacy Cognos releases, pre-Cognos Analytics 11.0.x versions.
Content store upgraded from legacy Cognos releases, pre-Cognos Analytics 11.0.x versions.
Running upgraded legacy reports online as HTML within Report properties having "Run with full interactivity = false" generates blank empty report output with an error message "error, see logs".
All legacy reports run online having "Run with full interactivity = false" will experience the same behaviour with URL request ?perspectives=classicviewer. Attempt to run the legacy reports in the background with Run As via Batch Report service, report runs successfully as expected.
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Any reports run online having "Run with full interactivity = true", do not present any issues with URL request ?perspectives=authoring
No errors reported within the <analytics>/logs/cogaudit.log and <analytics>/logs/cognosserver.log files.
Document Location
Worldwide
[{"Type":"MASTER","Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"ARM Category":[{"code":"a8m50000000Cl3zAAC","label":"Administration"}],"ARM Case Number":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"12.0.1;and future releases"},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
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Document Information
Modified date:
15 January 2026
UID
ibm17185841