Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab594c7fe51423ab492a7d996b10b5f86734198daacc5b3ffe6ac958acbc5d77:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^