Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 535b5253f5c8825fd7d3508488fddc219a1f9a7a84c449d4deea303418e4ce1c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^