Hi
@Julie julie, Our ecas was doing that as well. Seems there was a glitch in the system at that time because it went back to how it was shortly after. I know in order to change your address you would have to request for IRCC to change it.
I also don't think it has any impact on the outcome of your application. But stay positive. Keep updating your application, pray and trust God.
Let me know if you have more questions.
All the best,
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Thank you