After effects deleted files .aep from onedrive folder

Dont know how but its the seccond time it do this to me. 

After effects deleted files .aep from onedrive folder

Wen i save a file in mi desktop then open on mi mac always working on the one drive local folder, my work folder , when i open mi premier file and try to edit a aep layer, openits on after, first time ok, when i close it. the file disapeers and find that after deletes as one drive sess atached image. DELETED FROM AFTER EFFECTS ... whi after effects can delet files????