Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb0f494a29cb5a61a343a6e60cb20fe3da64552093bfb443e8ba80d1958fc57f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^