Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42ff1f99ad5cb80e35c2c92c80be2928ce807772f46152870382e29416e9c0f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^