Exception on Rapid Board: Uncaught Error: Cannot bind new shortcut "t" due to conflict with existing shortcut "t"

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Details
Exception: Uncaught Error: Cannot bind new shortcut "t" due to conflict with existing shortcut "t"
Resource: https://extranet.atlassian.com/jira/s/en_UKy4dolq/660/1/1/_/download/superbatch/js/batch.js
Line: 304
Environment
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.159 Safari/535.1