Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78363e17c760c6ff7f16ad7a98ce9a4bb1ebd2bab366a650b528db348cea3d21:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^