Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbd18afc1d07b685d6b7746fb0aa431026bba60a8f03e9f53859c87b2ef66cda:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^