Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8644885acfaef0dc97bab364db598b2095341c14593e3f4be12b96f6163ff1d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^