Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1befc5be5193c502676a953f76ea2086bd7a993db84a87acbb48ca6cebe4ba77:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^