Thank you very much for uploading your diagram.
In your diagram, there are 95 edges. And edge number 94 that connects the right-most node to a node in the next layer has a bend point with y-coordinate around 7*10^16 (i.e. something around 70000 trillions).
It should be possible to fix your diagram using the following approach:
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Start yEd.
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Open the original diagram.
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Click "1:1" in the toolbar (13th button from left).
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Double-click on an arbitrary node in yEd's structure view. (This should center the corresponding node in the editor area.)
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Click on an arbitrary node in yEd's editor area. (This moves the focus from the structure view to the editor area.)
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Repeatedly type the "arrow right" key until the right-most node is centered in the editor area.
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Delete the right-most node. This will also delete all incident edges, including the edge with the bad bend coordinates.
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Create the deleted node once again. (Do not use "undo" for this).
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Create the required edges once again. (Do not use "undo" for this).
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Save the restored diagram.
Alternatively use the following approach:
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Open the original diagram.
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Run "Layout" -> "Edge Routing" -> "Orthogonal/Polyline".
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Click "Fit Content" from the toolbar (16th button from left).
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Select all the edges connected to the right-most node.
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Type CTRL+Z. (This should undo the edge routing.)
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Type DELETE. (This will remove the selected edges including the edge with the bad bend coordinates.)
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Create the required edges once again. (Do not use "undo" for this.)
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Save the restored diagram.
Hope this helps.