Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3a1f8ba53ac1c04490112033979c360452b8d29d61a3888bcb3e2e006fce6c6a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^