Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 332066ab9da6e509a914587b7629d6c95830a39dcde9289d7d5b64a41df0dfd1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^