Fix E: Need to add calcium water
To Fix Your Jam/Jelly: Empty jars into sauce pan. Measure and add correct amount of calcium water according to the recipe you were following. Stir well. Bring fruit mixture to a full boil. Remove from the heat. Jar and process according to the Recipe sheet that comes with Pomona’s Pectin.
This link will take you to the complete page My Jam or Jelly Didn’t Jell — Can I Fix It? if you haven’t seen it yet and want to read more about possible problems and their solutions.