Error after uninstall Jetpack

Hello
Can everybody help me.
I have deactivated Jetpack no Problem
Now i will delete jetpack after them i get the Error if i login to the Dashboard the normal Site runs.
The Error:
Warning: fopen(/homepages/1/d582586386/htdocs/clickandbuilds/liebenstein2018/wp-content/plugins/jetpack/jetpack.php): failed to open stream: No such file or directory in /homepages/1/d582586386/htdocs/clickandbuilds/liebenstein2018/wp-includes/functions.php on line 6461.

After i create a directory and put in jetpack.phh it is now possible to login to Dashboard

Thanks for help
Wolfgang