Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> debec92f7d96e0da8edc789e65ab5c48d6106b6094ea6faa8467d0e74c31c63c:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^