Girls, my girlfriend think that I sent a message (I did not) to someone and don’t believe me. How can avoid loosing her?

Girls, I lent my phone, with my code, to my girlfriend. I have no problem if she go through my insta. When she sent herself some picture, she believes that she saw that I sent a message to an influencer (i did not). when she ask me, 5min later, there is obviously no message and she think I deleted it. I’m pretty sure she made a mistake, and was confuse by the profil of my best friend profile who has similar photo. From now she don’t trust me and don’t want to talk to me ! I’m deeply in love with her and I don’t want to loose her. I never sent a message to this person, and I never deleted a message, I never lied. I try to tell her but she don’t want to listen, I ask if we can try to make it through this, but again, she don’t want. How can I solve this? How can I prove that I didn’t do something? How do I convince her that I telle the truth and never send nor deleted a message? Should I leave some space as she ask? I don’t want to give up on us, we have a wonderful relationship. I love her as I never loved someone, I don’t want to lose my love. Am I going to loose her? Please I need help 😢😔

Girls, my girlfriend think that I sent a message (I did not) to someone and don’t believe me. How can avoid loosing her?
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