Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4191564fec8d4d092cea5c6f5f6a9bf183954882d8fa47018d25e03f3bbb0091:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^