Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c93e076901150601f390ca9f6d757826c8f8dcef626ae1d2dc329e97bb7a1efb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^