Unable to get value of the property ‘_clearOnTimeout’: object is null or undefined

[alu]

Version of SC: v9.1p_2014-09-30/Pro Deployment
Browser Used: IE9
Platform: Windows7

The problem:
I sometimes notice an error warning popup:
‘Unable to get value of the property ‘_clearOnTimeout’: object is null or undefined’

This appears to be coming from the ISC_DataBinding.js file, _timeoutTransaction function.
It usually occurs when leaving the browser for a longer time (more than 20mins), and accessing the browser again.

My question is, would it be possible to add a check inside this function? (ie – null/undefined check before calling ‘_clearOnTimeout’ on the transaction)

Thanks for your input.

[Isomorphic]

Before we put in a blind null check - are you using Relogin? Do you have any calls to clearTransaction() or resendTransaction()?

If not, are you using any kind of file download or export features?

Are you setting any explicit (non-default) timeouts on any of your server requests?