If the detail page reason is defined and amazon has sent a notification about this in the performance notification then remove that invalid information or resolve the issue then contact amazon, submit a case with an apology statement and action that you have done then ask them to unsuppressed the listing, if Amazon does not describe the reason or you do not have received the notification about the error then simply contact to amazon and ask them for the reason, if the describe then fix the error and ask them to unsuppressed the listing.
