Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c7b3e7ad68704299be3db72cf9a2f87989965d7184006795fa0a9d1f8d6a35fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^