Post goes missing after publish

I seen and facing quite interesting issue first time in wordpress. I have installed a new wordpress with easy engine. after then i have installed a new theme and imported the post from my last wordpress website which was working on the same domain. Now what is happening when i create a post it goes missing from all post. I am still seeing the post was imported yestered. Even I have tried with the change of ownership but it didn’t worked. anyone let me know how to fix this issue.