Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e309777796069f7342125038289e2c78e62106c6d22fba2707bca1ec03ed8a09:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^