Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8279ce3db481335aeab254984283a7569b927a27e3646d8d66698e165980b725:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^