Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2a13cf7855d40d02babd68cc6a0abe934dcaf2d0f0054d2616905bd48da235dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^