A family of Microsoft word processing software products for creating web, email, and print documents.
Your document contains many instances of duplicate captions and instances of the captions not being numbered sequentially
This has probably come about as a result of the captions being inserted into Shapes.
To rectify the issue, the text wrapping of all of the figures was changed to In-Line with Text, the text of the caption was copied and the Shape that contained it was deleted and then the text of the caption was pasted into a paragraph inserted after the paragraph that contains the figure.
A repaired copy of your document has been uploaded to the following folder of my OneDrive
https://1drv.ms/f/s!AmuIXmFDy-1azRlX2JBMPPp_Nb1x
or
Let me know when you have retrieved it so that I can delete it from that folder.