Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87786eb347c28cbf038f61a87db4ae28781b0a5180ae2b55cb6936e18b5139eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^