PowerBi Embed URL showing as This Content not available

Hi,

I have one powerBI report and this report already published on powerBi web service before 7-8 month back. that time public URL (embed code) generated and report from that link was opened many time till last week (till 20th feb.23), but after that when I am open that report link then report not showing any thing and only "This Content isn't available. Lern more about PowerBI." this message show only.

and i have existing public URL for this report which I dont want to change.

so, please suggest me for this.