I Made Stew Tonight. There Was A Different Taste, Chemical

I made stew tonight. There was a different taste, chemical maybe? When I was a few bites in I noticed that the corner rubber/plastic piece of my cutting board was in my bowl. I pressure cooked this stew for 30 minutes meaning this plastic cooked with the stew. Will I get really ill from eating the stew? I have a little upset stomach, not sure if it was brought on by the thought of eating toxic soup.