Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67ceec87a582c11c1c1bc5f3abe95bed16e2affe54eca1f404c36e9fde293dc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^