Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e74bf946e6230db73090ad388d20c85a757eced01bc5d0d625d1091508643fe5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^