Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8de860da15845f349d691fd00b7c15a18f61e4d53e2f4c1b8f1bdd5bc144b59:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^