Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89c1b1aa4853547365f7019307c3ab1e0fc0f56b210756d6906212ffdeacf26f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^