I rinsed my dishes first,

Question

i rinsed my dishes first, then i put in a tablet to wash the dishes ad never thought any more about it untill the following morning i went to empty the dishes and discovered that the dishes had not been washed and the tablet was still in its compartment, i also noticed that there is dirty water in the bottom of the dishwasher, on the panal there are two lights CHECK WATER, AND THE ACTIVE LIGHT is on, i would be very grateful if you tell me what is the problen. thank you ANNETTE BECK