Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 973633e8f69bc6dd4e2089920a565129184227789e1fb247b5fb44f7fc2c3cd1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^