Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81cb20bf6de6042f76a87e6375117a4f70c2a09ec7820e1dcda12867ca7dcaf5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^