Order rejected in pre market opening

Today at 9:01 am I placed a bracket order , normal mis order sl-m but all of them got rejected. Please help me.
Reason showing AFO/MF/Disclosed quantity

BO is not allowed to be placed during pre-open session as it comes with stop loss and stop loss orders are barred from exchange to be placed during pre-open. Also disclosed quantity orders are not allowed during pre open.
Check this for more.

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Only Equity orders can be placed in the Pre-Open market. These equity orders can either be placed in MIS or CNC. These orders can be either Limit or Market only.

The Pre-Open session is between 9am and 9.15am, but only the first 8 minutes can be used for order placement, that is 9am to 9.08am.

Thanks for reply