Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4380a151149de77103cadca7c45d57fa3e89702deeec703b2c6e306f6747d5db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^