Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1867bc45543082d0de1d0f46d20d13ae7c1db95096098234d1048e2d8253296:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^