Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9960cbd4254206452bf2f7a11851a115ce6ad683632f86796321a821dc18cc5e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^