Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8d1bd8f47ef959e61602e3d764308cb7e6e51312290074000a0bbfb1dc71be92:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^