Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aadd91489a57978b7dc6e63a1b402e6a032232c4e57e968a121d2947655c7e6e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^