Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c3cce0b8e1e63ff74da078995db85a212b91712fef88223c365c6feefd059b01:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^