How can I fix empty/missing fields in Word? F9 will update Fields correctly, but reverts back to empty/missing after refresh.

Hello, I apologize if this is a long post but I wanted to be clear on the issue, circumstances of the document, and things I've already tried in order to find a solution.

My team is coordinating in a Word document on SharePoint/Teams. At any point there is about 3-5 people out of 10 working within the document. I believe most are working through the Word app, but some will undoubtedly be working from the browser. The document is broken down as such:

TOC- 14 sections, each with about 3 subsections, and 3 sub-subsections. About 74 pages in total.

Table of Figures - 37 Figures

Table of Tables - 17 Tables

All headings and subheadings are updating correctly with no issue (the numbering seems to be automatic and not controlled by Field Codes). However, the figure and table numbers throughout the report are a mix of what is working, not working, and half working. Each Figure/Table is supposed to be titled FIGURE X.Y. (TITLE) and some figures will show up correctly, but others will show up as:

• FIGURE .. (TITLE)
• FIGURE .Y. (TITLE)
• Figure X.. (TITLE)

Refreshing the fields with F9 or Right Click+Update Field will have the field display correctly, but it will revert back to the incomplete title either on its own, when the Table of Figures/Tables is updated, or when the document is saved or refreshed. I have tried to unlock the fields (CTRL+SHIFT+F11), locking the fields when it is displayed correctly (CTRL+F11), copy and pasting titles that are working, copy and pasting the half-working fields, and going to PRINT and editing the Displays, but the fields will always revert back. The missing fields also appear as such in the Table of Figures/Tables. It is important to note that the incomplete fields will always revert back to the same configuration (ex. FIGURE .. will always appear as such and will not change to FIGURE ..Y).

The actual Field Codes for FIGURE X.Y. are as follows:

X = STYLEREF \s "Body 1"

Y = SEQ Figure \* ARABIC \s 1

The report had a template Figure field code that was applied to each figure. Originally, all field codes were working fine but as more information was added by more people, the issue started. The issue affects everyone working in the document. I'm not sure if its due to the number of people working in the report or the volume of figures within, someone could have also affected the report as they included data, I'm not sure. I would appreciate any help, thank you!