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Error message.. Typeerror:COLLAPSIBLE SIDEBOXES. centre is undefined. This message started to show after I started using Google Intergrated Mail. I'm not sure if it's a Google issue or a Firefox issue. However, I would like to fix the problem.

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  • 168 have this problem
  • Last reply by pkommareddy

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When I call up Gmail (Integrated with calendar) this error message appears and I want to remove it.

Hope you can help... Stuey.

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Modified by pkommareddy