Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9f7bf21bffe24716307589e82f983da2ab8e4b913068bcb127f4abbf635561f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^