Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c98da40a0922353e9e31e6266737e8d8e3c4b05e3dd0f13f6e76887974e4c7e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^