CRS-4995 error in crsctl command

When crsctl command runs CRS-4995 error is received. This is normal behavior. Operations should be performed with srvctl. The error received will be as follows.

[oracle@racdb01 ~]$ crsctl delete resource ora.racdb02.vip
CRS-4995:  The command 'Delete  resource' is invalid in crsctl. Use srvctl for this command.

It is possible to run this command without any problems with the “-unsupported” parameter. If the command is run as follows, there will be no problem.

[oracle@racdb01 ~]$ crsctl delete resource ora.racdb02.vip -unsupported