Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d033a2cfc60fe8dcbda56102b6b03506406209bf40bb8f33b9e77bfa596cbd77:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^