Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4745ba9d264f1c2c53ea74d61a5a395f8cff1a46cb00082120e5cd37cf58840:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^