Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f54526a20aa81c8cf5cccfb12236db6123f60520fe18a1e4ea56aeff00d6990f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^