Can someone help me please?

Annemarie • I'm 31 years young.. i live in west bromwich uk.. i have crohn's disease 😟 so hope this works 😊
How do u edit your period so it says it started yesterday? Everytime I click on it it says can't log a period so near to another one. But it's not near another... please help me before I lose my temper and my phone goes out the window. Xxxx