Individual wrapped viennas wrotten

<p>We buy the mini viennas on a regular basis for our children, we bought a packet that only expires on the 14th of june and when my daughter opened the packet and started eating it she emediatly spitted it out when we had a look the vienna was green and sloggy. It was only one in the packet that was that way. How can this happen it is unexeptable esspecially when my children eats that</p> <p>Awaiting your reply</p>