Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1cc1dfd061d7348084c49629a7c0ae5305df570b95610534f4a6a427468afeb0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^