Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f1e54d2f1ad7c20579d2b0138fd9a8be1f1984606869d8408ca8f0253e9f3e9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^