Save Position on Quit not always working

[SnarkySarky]

Overview Description:
Hello, I tried both a mpv.conf file and the build in extra mpv options, on both the position is only saved sometimes.
Steps to Reproduce:
1.add save-position-on-quit=yes to mpv.con or/and mpv extra options
2.open video and skip ahead then quit
3.first try video always saves postion, close video
4.open same video, position is saved or not (random?)

Actual Results: position only saved sometimes

Expected Results:Always remember position

Version:0.26

Additional Information:
mostly after the 3rd or 4th opening the video starts from the beginning not the saved position