Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c788b554c5c2152f41781e54436586d9bfcdc6dcdb309ca8ddae068921d7cd71:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^