Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2e071c69aef7eb1d7b9f7b67f87600b375e94dc92fcbebb1d643dfbae615148d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^