In case of assembly of PDF of the document in oxygen XML author 18 with use of DITA OT1.8.M2 there is an error: [fop] [ERROR] Anttask - Error rendering fo file: D:\Docs\test\temp\oxygen_dita_temp\topic.fo <java.lang.IllegalArgumentException: URI scheme is not "file">java.lang.IllegalArgume...

In the text of one of the topics I need to insert a page break. How can i do this?