Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4b06569dc6d24f87e40614383099c6f029a8fcef213a5989fc3d1eed65933d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^