[ISSUE #9021] Correct the error message of acl command

[yx9o]

Fixes #9021 .

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.

Project coverage is 47.70%. Comparing base (f4c4984) to head (2b623ea).

Files with missing lines	Patch %	Lines
...ocketmq/broker/processor/AdminBrokerProcessor.java	0.00%	24 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9022      +/-   ##
=============================================
- Coverage      47.77%   47.70%   -0.08%     
+ Complexity     11820    11802      -18     
=============================================
  Files           1305     1305              
  Lines          91385    91388       +3     
  Branches       11736    11735       -1     
=============================================
- Hits           43661    43596      -65     
- Misses         42333    42397      +64     
- Partials        5391     5395       +4     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.