Error and Warning in Home

[fsolar]

Hi, im getting this error in console when I press the send button in Home Component:

[2019-02-17T02:55:39.887Z] @firebase/database: FIREBASE WARNING: set at /messages/-LYtNMI4EE7e9eueFBvu failed: permission_denied index.esm.js:86
Error: PERMISSION_DENIED: Permission denied