Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7c3430a1c065cdfe2b6fd8085ab456b490ea51555b87147d252b25c3f07b6ebb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^