System blocked the sales order even though having enough credit limit

Hi all,

The issue is : Please let me know what could be the reason to block the sales order even though customer having enough credit limit.?

sales order created for the value of 27160 USD. for the customer 62361 and system blocked the sales order.

FD32:

And checked the change log of FD32 , risk category and credit limit changed in 20.06.2014.

OVA8:

Change log of the sales order.

Please note :i) Critical fields also checked there is no data change found.

ii) There is only one payer here that is same as SP.

Please let me know if you need any further help?

thanks,