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Maxime Laberge
Getting this error: "Lightning out App error in callback function" when launching a screen flow from a URL button
When launching a flow using an URL button from a list view, I get the following error at the bottom of the screen flow
"Lightning out App error in callback function". Also, when the flow finishes (the flow runs without errors and records a created), the user is not re-directed to the defined retURL (or the home page if not retURL is specified). This only happens in LEX and work fine in Classic. Also the error is intermitent (Sometime the error disapears and the user is sent to the retURL)
Has anybody received this error before?
"Lightning out App error in callback function". Also, when the flow finishes (the flow runs without errors and records a created), the user is not re-directed to the defined retURL (or the home page if not retURL is specified). This only happens in LEX and work fine in Classic. Also the error is intermitent (Sometime the error disapears and the user is sent to the retURL)
Has anybody received this error before?
No specific discovery other than it was definitely happening more often on long latency,
low bandwidth connections, and that is why I suspected a timing issue.
IE is a much slower browser generally, so that could help suggest a mistiming
the issue in the way that Lightning-Out has been implemented by Salesforce.
I suggest users do a browser hard refresh if they see this issue
(such a hard refresh seems to resolve things generally speaking).
I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks and Regards,
Deepali Kulshrestha