Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9be7573519d88df8886ece7c40d2ca5babb6018f57e5a7f9ed0c651ced83570c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^