The author's flow stopped triggering when a new account was created. They tried rerunning a previous flow run and checked the full run history for clues, but couldn't find any. They discovered that the error message "Entity 'callbackregistration' With Id = 5f079dee-9d84-ee11-8179-002248b1fb30 Does Not Exist" indicated that something was missing. To fix the issue, they turned off the flow and then turned it back on. The author also explains that changes in connections, input parameters, or output parameters can cause flow triggering issues. They recommend regularly restarting flows in development to catch any potential issues before users encounter failures.
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