Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e123e7e94b14a3cfec15ce224895639e163410bcd0012c068cfd477ec40e243:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^