Is there any way to put bookmarks in a document that then gets merged? They
disappear after the merge.

I have several fields where the user needs to input data and those fields
are repeated over and over in the document.

I cannot use "fillin" and "ref" because the entire top of the screen
disappears after the merge (no toolbars or menus, just a grey area - I think
there must be something corrupted in the document but it cannot be retyped at
this point).