RMA_label_points.scm Error

[Krikor]

Hi,

What change can I make to make the script functional again?

Script: RMA_label_points.scm
Gimp: Samj's portable 2.10.21 / win10

Messages:
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    Label Path Points Warning
Error while executing RMA_label_points:

Error: (: 1) eval: unbound variable: NORMAL-MODE


   GIMP Warning
'Label Path Points' plug-in left image undo in inconsistent state, closing open undo groups.
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Thank you very much in advance!