Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5c507f3e02ca2ca937ad607e5265eb564041f25099d493c20e1ee2fa8b6eb2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^