Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a28d892191d03c8abbb2b8d8a2f343f8c4e27ade1dae9e6a1cbebb474562f320:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^