Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f8b07aa8ae18e121fb31ace994939d59346ed12bf601fc1ef1b5a5720447a9f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^