Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4140bf45498de4f51710f2aeb80235b0047b554c30ffd35f1ce9a0d5f56c1903:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^