Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5ec98ab51b9e4f13ec865c57eb258fc7852af4e65e14801c0a00eece6971cdc2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^