Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b90fb91004001000b00a69d58a45eaf0333dac1c8cf961481e9f824357ae8584:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^