Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50604e8b589933550b7b33d3adcdf219456c37d836a2a6db0e6b9ca320e43d58:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^