Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8120f1f451bc22c0ec4fe2422693e796a4bb441ebddba9030ce0054004fe2eb5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^