Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d533f93f1fff88c123700950c9424377e7daa02e0e5ecb3502576ae340cabda1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^