Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4786f320124935d6c86b7ea5d971b7e6a2f30b9fdd0671ce9a86e3fced229b84:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^