Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0867eab6b05119e3cc646a333071f1e3d5be0b57d87e9cd44f18b0fdaadb46e7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^