when Flexcan tx mailbox close because of send frame too fast on s32k144, how to let it reuse.

[jinshuaixu]

          If l send frame data too fast on use Flexcan ,such as use mailbox1 to to send frame data .when l send frame data too fast ,mailbox 1 will colse .

        when mailbox close,how to let it reuse. restart system or  someone else methold?please give me some advise.

        thank you for you replying.