Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6d24d1cdc04b2e0284c5b6fc820d0052858a614c43e4bebe719374d246b2dd9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^