Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56beb3ecd928012f94d39c9f33bf991a6e17c414593daad18f9e21e9b82de62d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^