Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bfabadcf91750bd5063e5642d90bd7b7e13e04f5fdd5cb8114a4830149d8ae15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^