Unable to Import my Existing Forum to Vanilla

Hi Vanilla Forum Members
I am unable to migrate my existing forum to vanilla, I am getting the below error, Pls help me to resolve this issue.
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Hi Vanilla Forum Members
I am unable to migrate my existing forum to vanilla, I am getting the below error, Pls help me to resolve this issue.
Comments
The importer tries to import the permission table which maybe is problematic. I wonder which software you are using. I think migrating roles is possible but since permissions across forum scripts might look very different, it is next to impossible to migrate them with a script.
The safest way is to use Vanillas default roles and create and assign additonal roles manually if you need them.