Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c91cc17a8c93efcbc963f1c80907e76880017a440615c6524c5ea22ca2341cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^