Suddenly all users get "Index was outside the bounds of the array" when try to logon to Excel link

Troubleshooting

Problem

System has been working OK for a long time (for example many months). Suddenly all users get the same problem (even though no changes have been made to the system). If a user launches Excel, and then clicks 'Controller - Log on' then an error appears. No users can logon.

Symptom

System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.IndexOutOfRangeException: Index was outside the bounds of the array.
at Microsoft.VisualBasic.ErrObject.Raise(Int32 Number, Object Source, Object Description, ObjectHelpFile...
<....>
at
Cognos.Controller.Proxy.CCRWS.ConnectionBusiness_SetSelectDb(String sGuid....

[{"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","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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Document Information

More support for:
IBM Cognos Controller

Software version:
10.2.1

Operating system(s):
Windows

Document number:
712107

Modified date:
09 May 2025

UID

swg22017087

IBM Support

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