Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4dbff67c365eaa1e0dc563763f40cedc6b5c1b94062b10026fc965b306da3bf5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^