Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 49a83d1432733a1070b39b68b037803c1cf308f236b2b1113b29fe52fbf0ce09:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^