Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30b9842f2e44ebe5880db28761890ae5bf9d9c73e720540b3f2b4b6bd2687d99:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^