Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91026f43078dc04e2cb5aab1848cfe9cc89cce763ab9f57277a23b74e4a8ab71:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^