Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 54c838081bc34662f66c9b7af2ffe304be0c50b58370716bb1e01a38245009cf:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^