Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af50b7069f37144d1dc7ef80568d940283420bf4fb8db17455cf7fe972a57256:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^