Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b3e6659f7d666f8caa46d7c8d71f36587acd44a6487fb2f332fd1dbef2e2fb13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^