Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b50d4bec53da98016848943e7c11eb785a336fb2c20ed2c8a90101d976e6e16d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^