Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ca80116e7937a15270b0a6fc7e820e81ec675d0ffe0e2c399b9807791d8c54ba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^