Warning: fopen(notes.txt): Failed to open stream: No such file or directory in /hotlz/websites/asw/kalendar/src/readNotes.php on line 4

Warning: filesize(): stat failed for notes.txt in /hotlz/websites/asw/kalendar/src/readNotes.php on line 5

Fatal error: Uncaught TypeError: fread(): Argument #1 ($stream) must be of type resource, false given in /hotlz/websites/asw/kalendar/src/readNotes.php:5
Stack trace:
#0 /hotlz/websites/asw/kalendar/src/readNotes.php(5): fread(false, false)
#1 {main}
  thrown in /hotlz/websites/asw/kalendar/src/readNotes.php on line 5