XAMPP Apache Fail

Support Third-party Applications
1

I installed XAMPP following the website precedure but i cant start apache web server

Starting XAMPP for Linux 8.1.12-0...
XAMPP: Starting Apache...egrep: warning: egrep is obsolescent; using grep -E
egrep: warning: egrep is obsolescent; using grep -E
fail.
AH00544: httpd: bad group name nogroup
XAMPP: Starting MySQL...egrep: warning: egrep is obsolescent; using grep -E
egrep: warning: egrep is obsolescent; using grep -E
ok.
XAMPP: Starting ProFTPD...egrep: warning: egrep is obsolescent; using grep -E
egrep: warning: egrep is obsolescent; using grep -E
ok.