Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19cbd9be4fc8238ba1250123c60a981f0850f7b5e459b646723a2cc0dbb81f0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^