Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8887ea4b7d4b09ce425adecbf1f221cc6ad697af3cb4dde6456bba40507dc070:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^