Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef3e7b81a566a017e875570a039a9ffc4cabbb9d4035a506306278f3231e05da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^