Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02028fc9e4c45a1c7878a15901869a4ef510d42f5e14c24b9fc123c925a6c1c3:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^