Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8521598de91a8be8e135cccf52a3ff61d0fc1b46962e3beeaf1980032a4563ea:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^