MRP is not writing into ORDERS table in some items, saying that for that suggestion - Record already exists

After executing the FUNBCN for MRP, it gives me this error for 2 items:

<0001 Table : ORDERS [ORD]
<0001 Key : 6 SUG103240000669629 ITM000021322
<0001 Record already exists

I looked into ORDERS table and there is nothing created with that number. In CBNDET table exists but when MRP try to insert the suggestion into the ORDERS table it gives me that error.

What can it be? and how can i fix this?

Best Regards!