Core issue
This issue is due to the presence of Cisco bug ID CSCsb74859.
This problem occurs when more than one page exists in the effected report. On CiscoSecure ACS for Windows version 3.3.3, this error message could occur when Next is clicked while in the RADIUS Accounting, TACACS+ Accounting and TACACS+ Administration pages.
Resolution
This issue rarely occurs and only for the RADIUS Accounting, TACACS+ Accounting and TACACS+ Administration pages of the Reports and Activities section on CiscoSecure ACS for Windows version 3.3.3.
In order to resolve this issue, download and view the CSV files.