One Vertical Line on an LG 2019 C9

Can anyone suggest a way to repair one light but noticeable vertical line appearing on my LG C9 ? I have performed Full power cycles, pixel refresher and checking and/or replacing HDMI cables as well, numerous times . Worst of all the line is almost in the center, just barely slight to the right. If anyone has any suggestions, recommendations etc. please let me know. The tv is in perfect shape and has a great picture I am just hoping there is a way to fix this that I have not gotten around to yet. Thanks !