Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 73da63cc856af2f61b28d8dc8f0c06f553e0b6427b9fef6aa50854c4cf9c477c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^