Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c140d09641593e1b2af915ec060b5b681699130ab678a8f7a4d25d0f9b9f79f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^