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New 2960XR stacked 3 switches Error after booted

Hi All,

Here i have a 3-switches Catalyst 2960XR stack which were newly purchased.

I tried upgrading their IOS from 15.2(2) to 15.2(7), after finished upgrading, i also reloaded the stacked machines.

But after that my console screen will show as below:

 

File "flash:c2960x-universalk9-mz.152-7.E2.bin" uncompressed and installed, entry point: 0x3000
executing


Press RETURN to get started!


% % Duplicate sequence number.

%Failed to add ace to access-list
% % Duplicate sequence number.

%Failed to add ace to access-list
% % Duplicate sequence number.

%Failed to add ace to access-list
% % Duplicate sequence number.

%Failed to add ace to access-list
% % Duplicate sequence number.

%Failed to add ace to access-list
% % Duplicate sequence number.

%Failed to add ace to access-list

 

I have no idea how to deal with it, is there anyone who met the same symptom before??? and how to resolve???

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