Hi @id_11
You can only add another leader using the grip when you have the landing distance set more than 0. BTW I find it easier to add leader by typing the command "MLE" and then select the multileader to add/remove leader rather than using the grip point
which works well in your case 
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ವಿನೋದ್ ಕೆ ಎಲ್( System Design Engineer)

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