Troubleshooting
Problem
User has configured a spreadsheet/report to use Enhanced Reporting Optimisation ("ERO"). In other words, they have inserted the 'Name' "Optimise2" into cell A1 spreadsheet. Afterwards, user runs the report (e.g. via F9). However, user receives an error.
Symptom
Depending on the environment/version of Controller, the error may look slightly different. However, it will be similar to:

Older versions of Controller:

Controller 10.2.1:

Server was unable to process request. ---> System.ArgumentException: Value cannot be null.
Parameter name: path Server: Share: User: Psw: **** Transfer:0 Prefix...
[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"10.2.1;10.2.0;10.1.1;10.1;8.5.1;8.5;8.4;8.3","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]
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Historical Number
1031026
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Document Information
Modified date:
08 May 2025
UID
swg21370796