Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf11d4f127af4b2795aefb2edfb67f1f4f3b7264614aaf5ce31df7b2bd2e023b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^