Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2178bdafe4b558c832b7d51014fe15e155cef8983a16568a5c52fe92d39f7eb4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^