Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aacf8a889a3130d6707eed442807d524e522a36313d8630a1e558e45940de51d:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^