When attempting to change the profile for a user in Salesforce (for example, changing from System Administrator to Standard User), you may receive the following error:
"This user, as the Default Lead Creator, must have the 'Modify All Data' and 'Send Email' permissions. Select a profile with these permissions enabled."
This error occurs because the user whose profile you are trying to change is currently set as the Default Lead Creator in Salesforce. The Default Lead Creator must have the "Modify All Data" and "Send Email" permissions enabled. If you attempt to change this user to a profile that does not include these permissions, Salesforce returns this error to prevent an invalid configuration.
Before changing the profile of the affected user, first update the Default Lead Creator setting to a different user who has the required permissions. Then return to the original user's record to change their profile.
After changing the Default Lead Creator, return to the original user's record and change their profile.
In a Professional Edition organization, the Default Lead Creator must be set to another System Administrator. This is because, in Professional Edition, only the System Administrator profile includes both the "Modify All Data" and "Send Email" permissions. No other available profile in Professional Edition meets these requirements.
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